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 988 Wheel Loader |
 938M Waste Handler Small Wheel Loader |
 938M Small Wheel Loader |
 938M Aggregate Handler Small Wheel Loader |
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Engine |
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| Engine Power - ISO 14396:2002 | 580 hp | 188 hp | - | - |
| Engine Model | Cat® C18 | Cat® C7.1 | Cat C7.1 ACERT** | Cat® C7.1 |
| Rated Speed | 1700/rpm | - | - | - |
| Peak Power Speed | 1500/rpm | - | - | - |
| Gross Power - SAE J1995:2014 | 588 hp | - | - | - |
| Net Power - SAE J1349:2011 | 538 hp | - | - | - |
| Bore | 5.7 in | 4 in | - | 4 in |
| Stroke | 7.2 in | 5 in | - | 5 in |
| Displacement | 1105 in³ | 427 in³ | - | 427 in³ |
| Peak Torque - 1,200 rpm | 2104 lbf·ft | - | - | - |
| Torque Rise | 58 % | - | - | - |
| Note (1) | Three engine emission options are available: 1. Meets U.S. EPA Tier 4 Final, EU Stage V, and Japan 2014 emission standards. 2. Meets Brazil MAR-1 emission standards, equivalent to U.S. EPA Tier 3 and EU Stage IIIA. 3. Meets China Nonroad Stage IV emissio | *Range 4 power and torque is equal to Performance Mode with Caterpillar Power by Range technology. | Net power ratings are tested at the reference conditions for the specified standard and denote power available at the flywheel when the engine is equipped with alternator, air cleaner, emission components and fan at specified speed. | *Range 4 power and torque is equal to Performance Mode with Caterpillar Power by Range technology. |
| Note (2) | Net power advertised is the power available at the flywheel when the engine is equipped with fan at minimum speed, air intake system, exhaust system, and alternator. | Net power ratings are tested at the reference conditions for the specified standard and denote power available at the flywheel when the engine is equipped with alternator, air cleaner, emission components and fan at specified speed. | *Range 4 power and torque is equal to Performance Mode with Caterpillar Power by Range technology. | Net power ratings are tested at the reference conditions for the specified standard and denote power available at the flywheel when the engine is equipped with alternator, air cleaner, emission components and fan at specified speed. |
| Maximum Gross Power | - | 188 hp | 188 hp | 188 hp |
| Maximum Gross Power - Maximum Engine Speed (Performance Power Mode: Range 1-4) | - | 1800 r/min | - | 1800 r/min |
| Maximum Net Torque - SAE J1349 (Performance [HP+] Power Mode: Range 1-4) | - | 649 ft·lbf | - | - |
| Maximum Gross Torque - ISO 14396 (Performance Power Mode: Range 1-4) | - | 664 ft·lbf | 664 ft·lbf | 664 ft·lbf |
| Maximum Gross Power - Maximum Engine Speed (Standard Power Mode: Range 1-3*) | - | 1600 r/min | - | 1600 r/min |
| Maximum Gross Power - ISO 14396 (Standard Power Mode: Range 1-3*) | - | 173 hp | - | 173 hp |
| Maximum Gross Torque - ISO 14396 (Standard Power Mode: Range 1-3*) | - | 642 ft·lbf | 642 ft·lbf | 642 ft·lbf |
| Maximum Net Torque - SAE J1349 (Standard Power Mode: Range 1-3*) | - | 627 ft·lbf | 627 ft·lbf | 627 ft·lbf |
| Note (3) | - | No derating required up to 3000 m (10,000 ft) altitude. Auto derate protects hydraulic and transmission systems. | **The Cat C7.1 ACERT engine meets Tier 4 Final/Stage V off-highway emission standards. | No derating required up to 3000 m (10,000 ft) altitude. Auto derate protects hydraulic and transmission systems. |
| Maximum Gross Power - ISO 14396 (Performance Power Mode: Range 1-4) | - | 188 hp | - | 188 hp |
| Emissions | - | The Cat C7.1 engine meets U.S. EPA Tier 4 Final/EU Stage V and Korea Tier 4 Final emission standards. | - | The Cat C7.1 engine meets U.S. EPA Tier 4 Final, EU Stage V and Korea Tier 4 Final emission standards. |
| Maximum Net Torque - ISO 9249:2007 (Performance Power Mode: Range 1-4) | - | 650 ft·lbf | 650 ft·lbf | - |
| Maximum Net Torque - ISO 9249:2007 (Standard Power Mode: Range 1-3*) | - | 628 ft·lbf | 628 ft·lbf | - |
| Net Power - ISO 9249 (metric) at Minimum Fan Speed (Performance Power Mode: Range 1-4) | - | 186 hp | - | 186 hp |
| Engine Power - ISO 14396 - Metric | - | 190 hp | - | - |
| Maximum Gross Power - ISO 14396 (metric) (Performance Power Mode: Range 1-4) | - | 190 hp | - | 190 hp |
| Net Power - ISO 9249 at Minimum Fan Speed (Performance Power Mode: Range 1-4) | - | 184 hp | - | 184 hp |
| Net Power - SAE J1349 at Minimum Fan Speed (Performance Power Mode: Range 1-4) | - | 183 hp | - | 183 hp |
| Net Power (Standard Power Mode: Range 1-3*) | - | 1600 r/min | - | 1600 r/min |
| Net Power (Performance Power Mode: Range 1-4) | - | 1800 r/min | - | 1800 r/min |
| Maximum Gross Power - ISO 14396 (metric) (Standard Power Mode: Range 1-3*) | - | 176 hp | - | 176 hp |
| Net Power - ISO 9249 at Minimum Fan Speed (Standard Power Mode: Range 1-3*) | - | 170 hp | - | 170 hp |
| Net Power - SAE J1349 at Minimum Fan Speed (Standard Power Mode: Range 1-3*) | - | 170 hp | - | 170 hp |
| Net Power - ISO 9249 (metric) at Minimum Fan Speed (Standard Power Mode: Range 1-3*) | - | 172 hp | - | 172 hp |
| Displacement (Standard Power Mode: Speed Range 1-3*) | - | - | 427 in³ | - |
| Maximum Rated Gross Power - Maximum Engine Speed (Standard Power Mode: Range 1-3*) | - | - | 1600 r/min | - |
| Rated Net Power - 1,800 rpm - SAE J1349 at Minimum Fan Speed (Performance Power Mode: Range 1-4) | - | - | 183 hp | - |
| Maximum Gross Power - 1,600 rpm - ISO 14396 (DIN) (Standard Power Mode: Range 1-3*) | - | - | 176 mhp | - |
| Maximum Net Torque - SAE J1349 (Performance Power Mode: Range 1-4) | - | - | 649 ft·lbf | 649 ft·lbf |
| Maximum Gross Power - 1,800 rpm - ISO 14396 (Performance Power Mode: Range 1-4) | - | - | 188 hp | - |
| Rated Net Power - 1,600 rpm - ISO 9249 (DIN) at Minimum Fan Speed (Standard Power Mode: Range 1-3*) | - | - | 172 mhp | - |
| Rated Net Power - 1,800 rpm - ISO 9249 (DIN) at Minimum Fan Speed (Performance Power Mode: Range 1-4) | - | - | 186 mhp | - |
| Maximum Rated Gross Power - Maximum Engine Speed (Performance Power Mode: Range 1-4) | - | - | 1800 r/min | - |
| Displacement (Performance Power Mode: Speed Range 1-4) | - | - | 427 in³ | - |
| Maximum Gross Power - 1,800 rpm - ISO 14396 (DIN) (Performance Power Mode: Range 1-4) | - | - | 190 mhp | - |
| Rated Net Power - 1,600 rpm - SAE J1349 at Minimum Fan Speed (Standard Power Mode: Range 1-3*) | - | - | 170 hp | - |
| Maximum Gross Power - 1,600 rpm - ISO 14396 (Standard Power Mode: Range 1-3*) | - | - | 173 hp | - |
| Rated Net Power - 1,600 rpm - ISO 9249 at Minimum Fan Speed (Standard Power Mode: Range 1-3*) | - | - | 170 hp | - |
| Rated Net Power - 1,800 rpm - ISO 9249 at Minimum Fan Speed (Performance Power Mode: Range 1-4) | - | - | 184 hp | - |
| Maximum Rated Gross Power - ISO 14396 | - | - | - | 188 hp |
| Maximum Net Torque - ISO 9249 (Performance Power Mode: Range 1-4) | - | - | - | 650 ft·lbf |
| Maximum Rated Gross Power - ISO 14396 (metric) | - | - | - | 190 hp |
| Maximum Net Torque - ISO 9249 (Standard Power Mode: Range 1-3*) | - | - | - | 628 ft·lbf |
Operating Specifications |
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| Operating Weight | 112574 lb | - | - | - |
| Bucket Capacity Range | 4.7-13 m3 (6.2-17 yd3) | - | - | - |
| Rated Payload - Quarry Face | 12.5 t | - | - | - |
| Rated Payload - Loose Material | 16 t | - | - | - |
| Cat Truck Match - Standard | 770 - 772 | - | - | - |
| Cat Truck Match - High Lift | 773 - 775 | - | - | - |
| Note (1) | - | **Dimensions listed are for a machine configured with optional counterweights, waste guarding, 80 kg (176 lb) operator, and Michelin 20.5 R25 XMINE D2 tires. | - | **Aggregate Handler machine equipped with full counterweight and optional guards. |
| Full Turn Tip Load (1) | - | 9795 kg (21,594 lb)** | - | 10 551 kg (23,260 lb)** |
| Note (2) | - | ^Dimensions listed are for a machine configured with standard counterweights, waste guarding, rear waste gate, 80 kg (176 lb) operator, and new solid tires. | - | ^Aggregate Handler equipped with full counterweight, optional guards, roading fenders, cold start package, and 23.5R25 tires. |
| Full Turn Tip Load (2) | - | 10 741 kg (23,679 lb)^ | - | 10 662 kg (23,504 lb)^ |
Transmission |
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| Transmission Type | Cat planetary powershift | - | - | - |
| Forward - 1 | 4 mile/h | - | - | - |
| Forward - 2 | 7.2 mile/h | - | - | - |
| Forward - 3 | 12.7 mile/h | - | - | - |
| Forward - 4 | 21.6 mile/h | - | - | - |
| Reverse - 1 | 4.7 mile/h | - | - | - |
| Reverse - 2 | 8.3 mile/h | - | - | - |
| Reverse - 3 | 14.4 mile/h | - | - | - |
| Direct Drive - Forward 1 | Lock-up disabled | - | - | - |
| Direct Drive - Forward 2 | 7.8 mile/h | - | - | - |
| Direct Drive - Forward 3 | 13.9 mile/h | - | - | - |
| Direct Drive - Forward 4 | 24.4 mile/h | - | - | - |
| Direct Drive - Reverse 1 | 5 mile/h | - | - | - |
| Direct Drive - Reverse 2 | 8.9 mile/h | - | - | - |
| Direct Drive - Reverse 3 | 15.8 mile/h | - | - | - |
| Forward and Reverse - Range 2 | - | 8 mile/h | 8 mile/h | 8 mile/h |
| Forward and Reverse - Range 4 | - | 25 mile/h | 25 mile/h | 25 mile/h |
| Note | - | *Creeper control allows maximum speed range adjustability from 1 km/h (0.6 mph) to 13 km/h (8 mph) in Range 1 through the touch screen display when equipped. Factory default is 7 km/h (4.4 mph). | *Creeper control allows maximum speed range adjustability from 1 km/h (0.6 mph) to 13 km/h (8 mph) in Range 1 through the secondary display, when equipped. Factory default is 7 km/h (4.4 mph). | * Creeper control allows maximum speed range adjustability from 1 km/h (0.6 mph) to 13 km/h (8 mph) in Range 1 through the secondary display when equipped. Factory default is 7 km/h (4.4 mph). |
| Forward and Reverse - Range 3 | - | 17 mile/h | 17 mile/h | 17 mile/h |
| Forward and Reverse - Range 1* | - | 1-13 km/h (0.6-8 mph) | 1-13 km/h (0.6-8 mph) | 1-13 km/h (0.6-8 mph) |
Hydraulic System - Lift/Tilt |
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| Lift/Tilt System - Circuit | EH- Positive Flow Control, Flow Sharing | - | - | - |
| Lift/Tilt System - Pump | Variable displacement piston | - | - | - |
| Maximum Flow at 1,400-1,860 rpm | 153 gal/min | - | - | - |
| Relief Valve Setting - Lift/Tilt | 4757 psi | - | - | - |
| Cylinders, Double Acting - Lift, Bore and Stroke | 210 mm × 1050 mm (8.7 in × 41.3 in) | - | - | - |
| Cylinders, Double Acting - Tilt, Bore and Stroke | 266 mm × 685 mm (8.7 in × 27 in) | - | - | - |
| Pilot System | Variable displacement piston | - | - | - |
| Relief Valve Setting - Main | 551 psi | - | - | - |
Hydraulic Cycle Time (1,400-1,860 rpm) |
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| Rack Back | 4.5 s | - | - | - |
| Raise | 8 s | - | - | - |
| Dump | 2.2 s | - | - | - |
| Lower Float Down | 3.5 s | - | - | - |
| Total Hydraulic Cycle Time - Empty Bucket | 18.2 s | - | - | - |
Hydraulic System - Steering |
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| Steering System - Circuit | Pilot, load sensing | - | - | - |
| Steering System - Pump | Piston, variable displacement | - | - | - |
| Maximum Flow at 1,400-1,600 rpm | 71.3 gal/min | - | - | - |
| Relief Valve Setting - Steering | 4351 psi | - | - | - |
| Total Steering Angle | 86 ° | - | - | - |
| Steering Cycle Times - High Idle | 3.4 s | - | - | - |
| Steering Cycle Times - Low Idle | 5.6 s | - | - | - |
Air Conditioning System |
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| Air Conditioning | • The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a or R1234yf. See the label or instruction manual for identification of the gas. • If equipped with R134a (Global Warming Potential = 1430), the system | The air conditioning system on this machine contains the flourinated greenhouse gas refrigerant R134a (Global Warming Potential = 1430). The system contains 1.9 kg of refrigerant which has a CO2 equivalent of 2.717 metric tonnes. | The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1430). The system contains 1.9 kg of refrigerant which has a CO2 equivalent of 2.717 metric tonnes. | The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential – 1430. The system contains 1.9 kg of refrigerant which has a CO2 equivalent of 2.717 metric tonnes. |
Axles |
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| Front | Fixed | - | Fixed; Locking differential (standard) | - |
| Rear | Trunnion | - | Oscillating ±11 degrees; Open differential (standard); Limited slip differential (optional) | - |
| Oscillation Angle | 13 ° | - | - | - |
Brakes |
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| Brakes | ISO 3450:2011 | - | - | - |
Operator's Cab |
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| ROPS/FOPS | ROPS/FOPS meet ISO 3471:2008 and ISO 3449:2005 Level II standards | - | - | - |
Sound Performance - Tier 4 Final / Stage V |
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| Operator Sound Pressure Level (ISO 6396:2008) | 73 dB(A) | - | - | - |
| Machine Sound Power Level (ISO 6395:2008) | 111 dB(A) | - | - | - |
| Operator Sound Pressure Level (ISO 6396:2008)* | 72 dB(A) | - | - | - |
| Machine Sound Power Level (ISO 6395:2008)** | 109 dB(A) | - | - | - |
| Note (1) | * For machines in European Union countries and in countries that adopt the “EU Directives” and “UK Directives.” | - | - | - |
| Note (2) | ** European Union Directive “2000/14/EC” as amended by “2005/88/EC” and UK Noise Regulation 2001 No. 1701. | - | - | - |
| Note (3) | The machine sound power level was measured according to ISO 6395:2008. The measurement was conducted at 70% of the maximum engine cooling fan speed. | - | - | - |
| Note (4) | The operator sound pressure level was measured according to ISO 6396:2008. The measurement was conducted at 70% of the maximum engine cooling fan speed. | - | - | - |
| Note (5) | Hearing protection may be needed when the machine is operated with a cab that is not properly maintained or when the doors or windows are open for extended periods or in a noisy environment. | - | - | - |
Sound Performance - Tier 3 / Stage IIIA |
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| Operator Sound Pressure Level (ISO 6396:2008) | 73 dB(A) | - | - | - |
| Machine Sound Power Level (ISO 6395:2008) | 112 dB(A) | - | - | - |
| Operator Sound Pressure Level (ISO 6396:2008)* | 72 dB(A) | - | - | - |
| Machine Sound Power Level (ISO 6395:2008)** | 110 dB(A) | - | - | - |
| Note (1) | * For machines in European Union countries and in countries that adopt the “EU Directives” and “UK Directives.” | - | - | - |
| Note (2) | ** European Union Directive “2000/14/EC” as amended by “2005/88/EC” and UK Noise Regulation 2001 No. 1701. | - | - | - |
| Note (3) | The machine sound power level was measured according to ISO 6395:2008. The measurement was conducted at 70% of the maximum engine cooling fan speed. | - | - | - |
| Note (4) | The operator sound pressure level was measured according to ISO 6396:2008. The measurement was conducted at 70% of the maximum engine cooling fan speed. | - | - | - |
| Note (5) | Hearing protection may be needed when the machine is operated with a cab that is not properly maintained or when the doors or windows are open for extended periods or in a noisy environment. | - | - | - |
Service Refill Capacities |
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| Fuel Tank | 188 gal (US) | 51.5 gal (US) | 51.5 gal (US) | 51.5 gal (US) |
| Cooling System | 31.7 gal (US) | 8.5 gal (US) | 7.9 gal (US) | 8.5 gal (US) |
| Coolant (Validated by Test Cell Fill Quantities) | 33 gal (US) | - | - | - |
| Crankcase | 15.9 gal (US) | - | - | - |
| Diesel Exhaust Fluid Tank (For Tier 4 Final/Stage V Only) | 8.7 gal (US) | - | - | - |
| Transmission | 24.3 gal (US) | - | - | - |
| Transmission - Validated by Test Cell Fill Quantities | 29 gal (US) | - | - | - |
| Differential - Final Drives - Front | 49.1 gal (US) | - | - | - |
| Differential - Final Drives - Rear | 49.1 gal (US) | - | - | - |
| Hydraulic System Factory Fill | 125.5 gal (US) | - | - | - |
| Hydraulic System - Tank Only | 63.4 gal (US) | - | - | - |
| Note | • All non-road Tier 4 Final/Stage V diesel engines are required to use ULSD (ultra-low sulfur diesel fuel with 15 ppm of sulfur or less) or ULSD blended with the following lower-carbon intensity fuels** up to: – 20% biodiesel FAME (fatty acid methyl ester | - | DEF used in Cat SCR systems must meet the requirements outlined in the International Organization for Standardization (ISO) standard 22241-1. | - |
| Axles - Rear | - | 9.2 gal (US) | - | - |
| Axles - Front | - | 9.2 gal (US) | - | - |
| Transmission - Gear Box | - | 2.9 gal (US) | 2.9 gal (US) | 2.9 gal (US) |
| Hydraulic System - Including Tank | - | 44.9 gal (US) | 44.9 gal (US) | 44.9 gal (US) |
| Engine Crankcase | - | 5.3 gal (US) | 5.3 gal (US) | 5.3 gal (US) |
| Diesel Exhaust Fluid (DEF) Tank | - | 5 gal (US) | 5 gal (US) | 5 gal (US) |
| Hydraulic Tank | - | 23.8 gal (US) | 23.8 gal (US) | 23.8 gal (US) |
| Rear Axles | - | - | 9.2 gal (US) | 9.2 gal (US) |
| Front Axles | - | - | 9.2 gal (US) | 9.2 gal (US) |
Dimensions (Approximate) - Standard Lift Linkage |
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| Ground to Top of ROPS | 13.8 ft | - | - | - |
| Ground to Top of Exhaust Stacks | 14.8 ft | - | - | - |
| Ground to Top of Hood | 10.9 ft | - | - | - |
| Rear Axle - Centerline to Bumper | 10.5 ft | - | - | - |
| Front Axle Centerline to Bucket Tip | 14 ft | - | - | - |
| Wheel Base | 14.9 ft | - | - | - |
| Maximum Overall Length | 39.3 ft | - | - | - |
| Ground to Lower Hitch Clearance | 1.9 ft | - | - | - |
| Clearance at Maximum Lift | 11.9 ft | - | - | - |
| B-Pin Height - Maximum Lift | 18 ft | - | - | - |
| Maximum Overall Height - Bucket Raised | 24.5 ft | - | - | - |
| Reach - Maximum Lift | 6.5 ft | - | - | - |
Dimensions (Approximate) - High Lift Linkage |
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| Ground to Top of ROPS | 13.8 ft | - | - | - |
| Ground to Top of Exhaust Stacks | 14.8 ft | - | - | - |
| Ground to Top of Hood | 10.9 ft | - | - | - |
| Rear Axle - Centerline to Bumper | 10.5 ft | - | - | - |
| Front Axle Centerline to Bucket Tip | 15.3 ft | - | - | - |
| Wheel Base | 14.9 ft | - | - | - |
| Maximum Overall Length | 40.7 ft | - | - | - |
| Ground to Lower Hitch Clearance | 1.9 ft | - | - | - |
| Clearance at Maximum Lift | 13.3 ft | - | - | - |
| B-Pin Height - Maximum Lift | 19.3 ft | - | - | - |
| Maximum Overall Height - Bucket Raised | 25.8 ft | - | - | - |
| Reach - Maximum Lift | 6.8 ft | - | - | - |
Weights |
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| Operating Weight | - | 41794 lb | 35778 lb | 36839 lb |
| Operating Weight (1) | - | 17 258 kg (38,046 lb)** | - | 16 199 kg (35,712 lb)** |
| Operating Weight (2) | - | 18 958 kg (41,794 lb)^ | - | 16 710 kg (36,839 lb)^ |
| Note (2) | - | ^Dimensions listed are for a machine configured with standard counterweights, waste guarding, rear waste gate, 80 kg (176 lb) operator, and new solid tires. | - | ^Aggregate Handler equipped with full counterweight, optional guards, roading fenders, cold start package, and 23.5R25 tires. |
| Note (1) | - | **Dimensions listed are for a machine configured with optional counterweights, waste guarding, 80 kg (176 lb) operator, and Michelin 20.5 R25 XMINE D2 tires. | - | **Aggregate Handler machine equipped with full counterweight and optional guards. |
Buckets |
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| Bucket Capacities | - | 3.0-5.0 m3 (3.9-6.5 yd3) | 2.5-5.0 m3 (3.2-6.5 yd3) | 2.9-5.0 m3 (3.8-6.5 yd3) |
| Bucket Capacities - Light Material | - | - | 3.1-5.0 m³ (4.0-6.5 yd³) | - |
| Bucket Capacities - General Purpose | - | - | 2.5-3.2 m³ (3.2-4.2 yd³) | - |
Cab |
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| ROPS | - | ISO 3471:2008 | ISO 3471:2008 | ISO 3471:2008 |
| FOPS | - | ISO 3449:2005 LEVEL II | ISO 3449:2008 Level II | ISO 3449:2005 LEVEL II |
| Declared Sound Levels - Exterior Sound Power Level (ISO 6395:2008)* | - | 101 dB(A) | - | - |
| Note (1) | - | * Measurements were conducted at 70% of maximum engine cooling fan speed. Sound level may vary at different engine cooling fan speeds. The cab was properly installed and maintained. The measurements were conducted with the cab doors and the cab windows cl | Cab and Rollover Protective Structures (ROPS) are standard in North America and Europe. | * Measurements were conducted with cab doors and windows closed and at 70% of maximum engine cooling fan speed. Sound level may vary at different engine cooling fan speeds. |
| Declared Sound Levels - Operator Sound Pressure Level (ISO 6396:2008)* | - | 68 dB(A) | - | - |
| Note (3) | - | - | *The measurements were conducted with the cab doors and windows closed and at 70% of the maximum engine cooling fan speed. The sound level may vary at different engine cooling fan speeds. | - |
| Note (2) | - | - | The declared dynamic operator sound pressure levels per ISO 6396:2008*, when properly installed and maintained, are: – Standard cab: 68 ±3 dB(A) – Deluxe cab: 66 ±2 dB(A) |
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| Declared Sound Levels | - | - | - | Declared Sound Levels – Operator Sound Pressure Level (ISO 6396:2008): 68 dB(A)* – Exterior Sound Power Level (ISO 6395:2008): 101 dB(A)* |
Loader Hydraulic System |
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| Maximum Flow - Implement Pump - 4th Function Maximum Flow* | - | 42 gal/min | 42 gal/min | 42 gal/min |
| Relief Pressure - Tilt Cylinder - 3rd and 4th Function Relief Pressure | - | 4351 psi | 4351 psi | 4351 psi |
| Relief Pressure - Tilt Cylinder | - | 4351 psi | 4351 psi | 4351 psi |
| Relief Pressure - Tilt Cylinder - 3rd and 4th Function Maximum Working Pressure | - | 4061 psi | 4061 psi | 4061 psi |
| Note (1) | - | Implement system uses a dedicated load sensing variable displacement pump with dual double acting lift cylinders and a single double acting tilt cylinder. | *3rd and 4th function flow is fully adjustable from 20% to 100% of maximum flow through the secondary display, when equipped. | Implement system uses a dedicated load sensing variable displacement pump with dual double acting lift cylinders and a single double acting tilt cylinder. |
| Maximum Flow - Implement Pump | - | 50 gal/min | 50 gal/min | 50 gal/min |
| Cycle Times - Performance (HP+) at 1,800 rpm/Standard Power Mode at 1,600 rpm - Raise (Ground Level to Maximum Lift) | - | 5.5/6.2 seconds | - | 5.5/6.2 seconds |
| Note (2) | - | Flow values listed are for a machine running in Performance Power Mode (1,800 rpm). | - | Flow values listed are for a machine running in Performance Power Mode (1,800 rpm). |
| Cycle Times - Performance (HP+) at 1,800 rpm/Standard Power Mode at 1,600 rpm - Total Cycle Time | - | 9.7/10.6 seconds | - | 9.7/10.6 seconds |
| Maximum Working Pressure - Implement Pump | - | 4061 psi | 4061 psi | 4061 psi |
| Note (3) | - | * 3rd and 4th function flow is fully adjustable from 20% to 100% of maximum flow through the touch screen display when equipped. | - | * 3rd and 4th function flow is fully adjustable from 20% to 100% of maximum flow through the secondary display when equipped. |
| Cycle Times - Performance (HP+) at 1,800 rpm/Standard Power Mode at 1,600 rpm - Float Down (Maximum Lift to Ground Level) | - | 2.7/2.7 seconds | - | 2.7/2.7 seconds |
| Cycle Times - Performance (HP+) at 1,800 rpm/Standard Power Mode at 1,600 rpm - Dump (at Maximum Lift Height) | - | 1.5/1.7 seconds | - | 1.5/1.7 seconds |
| Maximum Flow - Implement Pump - 3rd Function Maximum Flow* | - | 50 gal/min | 50 gal/min | 50 gal/min |
| Lift Cylinder: Standard Lift Linkage - Stroke | - | 31.1 in | - | - |
| Tilt Cylinder: Standard Lift Linkage - Rod Diameter | - | 3.5 in | - | - |
| Lift Cylinder: Standard Lift Linkage - Rod Diameter | - | 2.6 in | - | - |
| Tilt Cylinder: Standard Lift Linkage - Bore Diameter | - | 5.9 in | - | - |
| Lift Cylinder: Standard Lift Linkage - Bore Diameter | - | 4.7 in | - | - |
| Tilt Cylinder: Standard Lift Linkage - Stroke | - | 21.9 in | - | - |
| Hydraulic Cycle Time - Performance Mode at 1,800 rpm - Raise, Ground Level to Maximum Lift | - | - | 5.5 s | - |
| Hydraulic Cycle Time - Performance Mode at 1,800 rpm - Total Cycle Time | - | - | 9.7 s | - |
| Hydraulic Cycle Time - Standard Mode at 1,600 rpm - Total Cycle Time | - | - | 10.6 s | - |
| Hydraulic Cycle Time - Standard Mode at 1,600 rpm - Dump, at Maximum Lift Height | - | - | 1.7 s | - |
| Hydraulic Cycle Time - Performance Mode at 1,800 rpm - Dump, at Maximum Lift Height | - | - | 1.5 s | - |
| Hydraulic Cycle Time - Standard Mode at 1,600 rpm - Raise, Ground Level to Maximum Lift | - | - | 6.2 s | - |
| Hydraulic Cycle Time - Performance Mode at 1,800 rpm - Float Down, Maximum Lift to Ground Level | - | - | 2.7 s | - |
| Hydraulic Cycle Time - Standard Mode at 1,600 rpm - Float Down, Maximum Lift to Ground Level | - | - | 2.7 s | - |
| Tilt Cylinder, Double Acting - Bore Diameter | - | - | - | 5.9 in |
| Tilt Cylinder, Double Acting - Rod Diameter | - | - | - | 3.5 in |
| Tilt Cylinder, Double Acting - Stroke | - | - | - | 21.9 in |
| Lift Cylinder, Double Acting - Stroke | - | - | - | 31.1 in |
| Lift Cylinder, Double Acting - Bore Diameter | - | - | - | 4.7 in |
| Lift Cylinder, Double Acting - Rod Diameter | - | - | - | 2.6 in |
Steering |
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| Maximum Steering Torque - 0° (Straight Machine) | - | 42506 ft·lbf | 42506 ft·lbf | - |
| Maximum Steering Torque - 40° (Full Turn) | - | 31398 ft·lbf | 31398 ft·lbf | - |
| Maximum Working Pressure - Steering Pump | - | 3500 psi | 3500 psi | 3500 psi |
| Steering Cycle Times - Full Left to Full Right - Maximum RPM: 90 rpm Steering Wheel Speed | - | 2.3 s | - | 2.3 s |
| Steering Cylinder, Double Acting - Bore Diameter | - | 3.1 in | - | 3.1 in |
| Steering Cylinder, Double Acting - Stroke | - | 15.7 in | - | 15.7 in |
| Steering Cycle Times - Full Left to Full Right - Minimum RPM: Pump Flow Limited | - | 3.1 s | - | 3.1 s |
| Note (1) | - | Steering system uses a dedicated load sensing variable displacement pump with dual double acting cylinders. | - | Steering system uses a dedicated load sensing variable displacement pump with dual double acting cylinders. |
| Steering Cylinder, Double Acting - Rod Diameter | - | 2 in | - | 2 in |
| Maximum Flow - Steering Pump | - | 34 gal/min | 34 gal/min | 34 gal/min |
| Note (2) | - | Flow values listed are for a machine running in Performance Power Mode (1,800 rpm). | - | Flow values listed are for a machine running in Performance Power Mode (1,800 rpm). |
| Steering Articulation Angle - Each Direction | - | - | 40° | - |
| Number of Steering Wheel Turns - Full Left to Full Right or Full Right to Full Left | - | - | 3.3 turns | - |
| Steering Cycle Times - Full Left to Full Right - At 1,800 rpm: 90 rpm Steering Wheel Speed | - | - | 2.3 s | - |
Power Train |
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| Front Axle - Traction Aid | - | Locking differential | - | - |
| Note (1) | - | Power train is governed by the Caterpillar exclusive Intelligent Power Management system to deliver peak performance and efficiency. | - | Power train is governed by the Caterpillar exclusive Intelligent Power Management system to deliver peak performance and efficiency. |
| Rear Axle | - | Oscillating | - | Oscillating |
| Note (3) | - | Differential front locking axle can be engaged on the go at full torque up to 20 km/h (12.4 mph) on the 938M. | - | *Differential front locking axle can be engaged on the go at full torque to 20 km/h (12.4 mph) on the 938M. |
| Rear Axle - Oscillation Angle by Tire Size - 20.5 R25, 550/65, 600/65, 650/65 | - | ± 10.5 degrees | - | ± 10.5 degrees |
| Rear Axle - Traction Aid - Optional | - | Limited slip differential | - | Limited slip differential |
| Rear Axle - Oscillation Angle by Tire Size - 23.5 R25 | - | ± 7 degrees | - | ± 7 degrees |
| Brakes - Service | - | Inboard wet disc | - | Outboard wet disc |
| Note (2) | - | Offset rims available to meet European roading requirements. | - | Offset rims available to meet European roading requirements. |
| Brakes - Parking | - | Spring applied hydraulically released | - | Spring applied hydraulically released |
| Front Axle | - | Fixed | - | Fixed |
| Rear Axle - Oscillation Angle by Tire Size - Solid Tires, 750/65, 620/65, Skidder | - | ± 7 degrees | - | - |
| Front Axle - Traction Aid* | - | - | - | Locking differential (standard) |
Sustainability |
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| Recyclability | - | 94% | 94% | 94% |
Sound |
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| Average Exterior Sound Pressure (ISO 6395:2008) | - | - | 101 dB(A) | - |
| Operator Sound Pressure (ISO 6396:2008) | - | - | 72 dB(A) | - |
| Note (1) | - | - | European Union Directive “2000/14/EC” | - |
Tires |
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| Note (1) | - | - | Other tire choices are available. Contact your Cat dealer for details. | - |
| Standard Size | - | - | 20.5 R25, radial (L-3) | - |
| Note (2) | - | - | In certain applications, the loader’s productive capabilities may exceed the tire’s tonnes-km/h (ton-mph) capabilities. | - |
| Other Choices Include | - | - | 20.5 R25, radial (L-2); 20.5 R25, radial (L-5); 20.5-25 12PR (L-2); 20.5-25 12PR (L-3); 20.5-25 16PR (L-5); 23.5 R25, radial (L-3); 650/65 R25 radial (L-3); Skidder/Agriculture; Solid Tires | - |
| Note (3) | - | - | Caterpillar recommends that you consult a tire supplier to evaluate all conditions before selecting a tire model. | - |
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