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988 Wheel Loader
986 Wheel Loader
938M Small Wheel Loader
938M Aggregate Handler Small Wheel Loader

Engine

Engine Power - ISO 14396:2002 580 hp - - -
Engine Model Cat® C18 C15 Cat® Cat C7.1 ACERT** Cat® C7.1
Rated Speed 1700/rpm 2000 - -
Peak Power Speed 1500/rpm 1600 - -
Gross Power - SAE J1995:2014 588 hp - - -
Net Power - SAE J1349:2011 538 hp 373 hp - -
Bore 5.7 in 5.4 in - 4 in
Stroke 7.2 in 6.75 in - 5 in
Displacement 1105 in³ 927 in² - 427 in³
Peak Torque - 1,200 rpm 2104 lbf·ft - - -
Torque Rise 58 % 16% - -
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 - 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. - *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.
Peak Power Speed - Gross - SAE J1995 - 456 hp - -
Engine Power - ISO 14396: 2002 - 449 hp - -
Rated Speed - 2,000 rpm - EEC 80/1269 - 373 hp - -
Rated Speed - 2,000 rpm - EEC 80/1269 (DIN) - 378 hp - -
Rated Speed - 2,000 rpm - ISO 9249 - 373 hp - -
Rated Speed - 2,000 rpm - ISO 9249 (DIN) - 378 hp - -
Peak Torque - 1,200 rpm - SAE J1995 - 1778 lb/ft - -
Emissions - U.S. EPA Tier 4 Final, EU Stage V, and Japan 2014 emission standards and Brazil MAR-1 emission standards, equivalent to China Nonroad Stage III, U.S. EPA Tier 3 and EU Stage IIIA - The Cat C7.1 engine meets U.S. EPA Tier 4 Final, EU Stage V and Korea Tier 4 Final emission standards.
Maximum Gross Power - - 188 hp 188 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 Torque - ISO 14396 (Standard Power Mode: Range 1-3*) - - 642 ft·lbf 642 ft·lbf
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 -
Maximum Net Torque - SAE J1349 (Standard Power Mode: Range 1-3*) - - 627 ft·lbf 627 ft·lbf
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 -
Maximum Gross Torque - ISO 14396 (Performance Power Mode: Range 1-4) - - 664 ft·lbf 664 ft·lbf
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 -
Note (3) - - **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.
Rated Net Power - 1,600 rpm - ISO 9249 at Minimum Fan Speed (Standard Power Mode: Range 1-3*) - - 170 hp -
Maximum Net Torque - ISO 9249:2007 (Standard Power Mode: Range 1-3*) - - 628 ft·lbf -
Rated Net Power - 1,800 rpm - ISO 9249 at Minimum Fan Speed (Performance Power Mode: Range 1-4) - - 184 hp -
Maximum Net Torque - ISO 9249:2007 (Performance Power Mode: Range 1-4) - - 650 ft·lbf -
Maximum Gross Power - ISO 14396 (Performance Power Mode: Range 1-4) - - - 188 hp
Maximum Gross Power - Maximum Engine Speed (Performance Power Mode: Range 1-4) - - - 1800 r/min
Maximum Rated Gross Power - ISO 14396 - - - 188 hp
Maximum Gross Power - Maximum Engine Speed (Standard Power Mode: Range 1-3*) - - - 1600 r/min
Maximum Gross Power - ISO 14396 (Standard Power Mode: Range 1-3*) - - - 173 hp
Maximum Net Torque - ISO 9249 (Performance Power Mode: Range 1-4) - - - 650 ft·lbf
Net Power - ISO 9249 (metric) at Minimum Fan Speed (Performance Power Mode: Range 1-4) - - - 186 hp
Net Power - ISO 9249 at Minimum Fan Speed (Performance Power Mode: Range 1-4) - - - 184 hp
Maximum Gross Power - ISO 14396 (metric) (Performance Power Mode: Range 1-4) - - - 190 hp
Net Power - SAE J1349 at Minimum Fan Speed (Performance Power Mode: Range 1-4) - - - 183 hp
Net Power - SAE J1349 at Minimum Fan Speed (Standard Power Mode: Range 1-3*) - - - 170 hp
Net Power (Standard Power Mode: Range 1-3*) - - - 1600 r/min
Maximum Gross Power - ISO 14396 (metric) (Standard Power Mode: Range 1-3*) - - - 176 hp
Net Power (Performance Power Mode: Range 1-4) - - - 1800 r/min
Maximum Rated Gross Power - ISO 14396 (metric) - - - 190 hp
Net Power - ISO 9249 (metric) at Minimum Fan Speed (Standard Power Mode: Range 1-3*) - - - 172 hp
Maximum Net Torque - ISO 9249 (Standard Power Mode: Range 1-3*) - - - 628 ft·lbf
Net Power - ISO 9249 at Minimum Fan Speed (Standard Power Mode: Range 1-3*) - - - 170 hp

Operating Specifications

Operating Weight 112574 lb - - -
Bucket Capacity Range 4.7-13 m3 (6.2-17 yd3) 5-10,3 m³ (6,5-13,5 yd.³) - -
Rated Payload - Quarry Face 12.5 t - - -
Rated Payload - Loose Material 16 t - - -
Cat Truck Match - Standard 770 - 772 770/735/740/745 - -
Cat Truck Match - High Lift 773 - 775 772/773 - -
Operating Weight - Standard - 97785 lb - -
Operating Weight - High Lift - 104005 lb - -
Rated Payload - Standard (Quarry Face) - 11 ton (US) - -
Rated Payload - Loose Material (Standard) - 14 ton (US) - -
Rated Payload - High Lift (Quarry Face) - 11 ton (US) - -
Rated Payload - Loose Material (High Lift) - 12.1 ton (US) - -
Full Turn Tip Load (2) - - - 10 662 kg (23,504 lb)^
Full Turn Tip Load (1) - - - 10 551 kg (23,260 lb)**
Note (2) - - - ^Aggregate Handler equipped with full counterweight, optional guards, roading fenders, cold start package, and 23.5R25 tires.
Note (1) - - - **Aggregate Handler machine equipped with full counterweight and optional guards.

Transmission

Transmission Type Cat planetary powershift Cat planetary power shift - -
Forward - 1 4 mile/h 5 mile/h - -
Forward - 2 7.2 mile/h 8 mile/h - -
Forward - 3 12.7 mile/h - - -
Forward - 4 21.6 mile/h - - -
Reverse - 1 4.7 mile/h 5 mile/h - -
Reverse - 2 8.3 mile/h 8 mile/h - -
Reverse - 3 14.4 mile/h - - -
Direct Drive - Forward 1 Lock-up disabled - - -
Direct Drive - Forward 2 7.8 mile/h 8 mile/h - -
Direct Drive - Forward 3 13.9 mile/h 14 mile/h - -
Direct Drive - Forward 4 24.4 mile/h 24 mile/h - -
Direct Drive - Reverse 1 5 mile/h - - -
Direct Drive - Reverse 2 8.9 mile/h 9 mile/h - -
Direct Drive - Reverse 3 15.8 mile/h 16 mile/h - -
Direct Drive - Reverse 4 - 25.4 mile/h - -
Forward and Reverse - Range 3 - - 17 mile/h 17 mile/h
Forward and Reverse - Range 4 - - 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 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 1* - - 1-13 km/h (0.6-8 mph) 1-13 km/h (0.6-8 mph)
Forward and Reverse - Range 2 - - 8 mile/h 8 mile/h

Hydraulic System - Lift/Tilt

Lift/Tilt System - Circuit EH- Positive Flow Control, Flow Sharing Load Sense - -
Lift/Tilt System - Pump Variable displacement piston 2 × 110 cc variable displacement - -
Maximum Flow at 1,400-1,860 rpm 153 gal/min - - -
Relief Valve Setting - Lift/Tilt 4757 psi 4050 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 - - -
Maximum Flow at 2,165 rpm - 123 gal/min - -
Lift Cylinder - Bore - 7.5 in - -
Lift Cylinder - Stroke - 45 in - -
Tilt Cylinder - Bore - 6.7 in - -
Tilt Cylinder - Stroke - 28.4 in - -

Hydraulic Cycle Time (1,400-1,860 rpm)

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

Steering System - Circuit Pilot, load sensing Load Sense - -
Steering System - Pump Piston, variable displacement 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 ° 70° - -
Steering Cycle Times - High Idle 3.4 s - - -
Steering Cycle Times - Low Idle 5.6 s - - -
Maximum Flow at 1,400 rpm - 52 gal/min - -
Steering Cut Off Pressure - 4000 psi - -

Air Conditioning System

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 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 co 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

Front Fixed Fixed Fixed; Locking differential (standard) -
Rear Trunnion Trunnion Oscillating ±11 degrees; Open differential (standard); Limited slip differential (optional) -
Oscillation Angle 13 ° ±12.5° - -
Oscillation Angle - Chain Arrangement - ±8.5° - -

Brakes

Brakes ISO 3450:2011 ISO 3450:2011 - -

Operator's Cab

ROPS/FOPS ROPS/FOPS meet ISO 3471:2008 and ISO 3449:2005 Level II standards ROPS/FOPS meet ISO 3471:2008 (ROPS) and ISO 3449:2005 Level II (FOPS) - -

Sound Performance - Tier 4 Final / Stage V

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

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

Fuel Tank 188 gal (US) 141 gal (US) 51.5 gal (US) 51.5 gal (US)
Cooling System 31.7 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) 9 gal (US) - -
Diesel Exhaust Fluid Tank (For Tier 4 Final/Stage V Only) 8.7 gal (US) - - -
Transmission 24.3 gal (US) 20 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) 87 gal (US) - -
Hydraulic System - Tank Only 63.4 gal (US) 34 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. -
Fuel Tank - Short Lift - 127 gal (US) - -
Cooling Systems - 26 gal (US) - -
Diesel Exhaust Fluid Tank - 6 gal (US) - -
Axle Oil - Differentials and Final Drives - Front - 49 gal (US) - -
Axle Oil - Differentials and Final Drives - Rear - 45 gal (US) - -
Transmission - Gear Box - - 2.9 gal (US) 2.9 gal (US)
Engine Crankcase - - 5.3 gal (US) 5.3 gal (US)
Hydraulic System - Including Tank - - 44.9 gal (US) 44.9 gal (US)
Rear Axles - - 9.2 gal (US) 9.2 gal (US)
Front Axles - - 9.2 gal (US) 9.2 gal (US)
Diesel Exhaust Fluid (DEF) Tank - - 5 gal (US) 5 gal (US)
Hydraulic Tank - - 23.8 gal (US) 23.8 gal (US)

Dimensions (Approximate) - Standard Lift Linkage

Ground to Top of ROPS 13.8 ft 13.5 ft - -
Ground to Top of Exhaust Stacks 14.8 ft 13.3 ft - -
Ground to Top of Hood 10.9 ft 10.7 ft - -
Rear Axle - Centerline to Bumper 10.5 ft 10.3 ft - -
Front Axle Centerline to Bucket Tip 14 ft 13.8 ft - -
Wheel Base 14.9 ft 12.5 ft - -
Maximum Overall Length 39.3 ft 36.6 ft - -
Ground to Lower Hitch Clearance 1.9 ft 1.5 ft - -
Clearance at Maximum Lift 11.9 ft 10.1 ft - -
B-Pin Height - Maximum Lift 18 ft 16.1 ft - -
Maximum Overall Height - Bucket Raised 24.5 ft 22.4 ft - -
Reach - Maximum Lift 6.5 ft 7.1 ft - -
Ground to Center of Front Axle - 3.2 ft - -
Ground to Fuel Tank Clearance - 2.3 ft - -
Note -
  • All dimensions are approximate.
  • Specs are calculated with a 6.1 m³ (8.0 yd³) rock bucket.
- -

Dimensions (Approximate) - High Lift Linkage

Ground to Top of ROPS 13.8 ft 13.5 ft - -
Ground to Top of Exhaust Stacks 14.8 ft 13.3 ft - -
Ground to Top of Hood 10.9 ft 10.7 ft - -
Rear Axle - Centerline to Bumper 10.5 ft 10.3 ft - -
Front Axle Centerline to Bucket Tip 15.3 ft 15.3 ft - -
Wheel Base 14.9 ft 12.5 ft - -
Maximum Overall Length 40.7 ft 38 ft - -
Ground to Lower Hitch Clearance 1.9 ft 1.5 ft - -
Clearance at Maximum Lift 13.3 ft 11.6 ft - -
B-Pin Height - Maximum Lift 19.3 ft 17.6 ft - -
Maximum Overall Height - Bucket Raised 25.8 ft 23.9 ft - -
Reach - Maximum Lift 6.8 ft 7.4 ft - -
Ground to Center of Front Axle - 3.2 ft - -
Ground to Fuel Tank Clearance - 2.3 ft - -
Note -
  • All dimensions are approximate.
  • Specs are calculated with a 6.1 m³ (8.0 yd³) rock bucket.
- -

Hydraulic Cycle Times

Rack Back - 4.5 s - -
Raise - 9 s - -
Dump - 3.5 s - -
Lower - 5.2 s - -
Lower Float Down - 4.3 s - -
Total Hydraulic Cycle Time - 21.3 s - -

Sound Performance - Standard

Operator Sound Level (ISO 6396) - 72 dB(A) - -
Machine Sound Level (ISO 6395) - 112 dB(A) - -
Note -
  • The operator sound pressure level was measured according to the test procedures and conditions specified in ISO 6396:2008. The measurement was conducted at 70 percent of the maximum engine cooling fan speed.
  • Hearing protection may be neede
- -

Sound Performance - Suppression

Operator Sound Level (ISO 6396) - 72 dB(A) - -
Machine Sound Level (ISO 6395) - 110 dB(A) - -
Note -
  • The operator sound pressure level was measured according to the test procedures and conditions specified in ISO 6396:2008. The measurement was conducted at 70 percent of the maximum engine cooling fan speed.
  • Hearing protection may be neede
- -

Dimensions (Approximate) - Quick Coupler and 6.1 m³ (8.0 yd³) Bucket

Ground to Top of ROPS - 13.5 ft - -
Ground to Top of Exhaust Stacks - 13.3 ft - -
Ground to Top of Hood - 10.7 ft - -
Ground to Center of Rear Axle - 3.2 ft - -
Ground to Fuel Tank Clearance - 2.3 ft - -
Ground to Lower Hitch Clearance - 1.5 ft - -
Reach at Maximum Lift - 8 ft - -
Clearance at Maximum Lift - 10.7 ft - -
B-Pin Height at Maximum Lift - 15 ft - -
Maximum Overall Height, Bucket Raised - 20.9 ft - -
Rear Axle Center Line to Bumper - 10.3 ft - -
Wheel Base - 12.5 ft - -
Maximum Overall Length - 35 ft - -
Front Axle Centerline to Bucket Tip - 12.2 ft - -

Dimensions (Approximate) - Quick Coupler and Fork

Ground to Top of ROPS - 13.5 ft - -
Ground to Top of Exhaust Stacks - 13.3 ft - -
Ground to Top of Hood - 10.7 ft - -
Ground to Center of Rear Axle - 3.2 ft - -
Ground to Fuel Tank Clearance - 2.3 ft - -
Ground to Lower Hitch Clearance - 1.5 ft - -
B-Pin Height at Maximum Lift - 15 ft - -
Rear Axle Center Line to Bumper - 10.3 ft - -
Wheel Base - 12.5 ft - -
Maximum Overall Length - 35.4 ft - -
Front Axle Centerline to Bucket Tip - 12.6 ft - -

Weights

Operating Weight - - 35778 lb 36839 lb
Note (2) - - - ^Aggregate Handler equipped with full counterweight, optional guards, roading fenders, cold start package, and 23.5R25 tires.
Note (1) - - - **Aggregate Handler machine equipped with full counterweight and optional guards.
Operating Weight (2) - - - 16 710 kg (36,839 lb)^
Operating Weight (1) - - - 16 199 kg (35,712 lb)**

Buckets

Bucket Capacities - - 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

ROPS - - ISO 3471:2008 ISO 3471:2008
FOPS - - ISO 3449:2008 Level II ISO 3449:2005 LEVEL II
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 (1) - - 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.
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)
-
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)*

Sustainability

Recyclability - - 94% 94%

Sound

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” -

Loader Hydraulic System

Note (1) - - *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.
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 -
Relief Pressure - Tilt Cylinder - - 4351 psi 4351 psi
Hydraulic Cycle Time - Standard Mode at 1,600 rpm - Total Cycle Time - - 10.6 s -
Maximum Working Pressure - Implement Pump - - 4061 psi 4061 psi
Relief Pressure - Tilt Cylinder - 3rd and 4th Function Maximum Working Pressure - - 4061 psi 4061 psi
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 -
Maximum Flow - Implement Pump - 4th Function Maximum Flow* - - 42 gal/min 42 gal/min
Relief Pressure - Tilt Cylinder - 3rd and 4th Function Relief Pressure - - 4351 psi 4351 psi
Hydraulic Cycle Time - Standard Mode at 1,600 rpm - Float Down, Maximum Lift to Ground Level - - 2.7 s -
Maximum Flow - Implement Pump - - 50 gal/min 50 gal/min
Maximum Flow - Implement Pump - 3rd Function Maximum Flow* - - 50 gal/min 50 gal/min
Tilt Cylinder, Double Acting - Bore Diameter - - - 5.9 in
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
Cycle Times - Performance (HP+) at 1,800 rpm/Standard Power Mode at 1,600 rpm - Total Cycle Time - - - 9.7/10.6 seconds
Tilt Cylinder, Double Acting - Rod Diameter - - - 3.5 in
Note (2) - - - Flow values listed are for a machine running in Performance Power Mode (1,800 rpm).
Tilt Cylinder, Double Acting - Stroke - - - 21.9 in
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
Note (3) - - - * 3rd and 4th function flow is fully adjustable from 20% to 100% of maximum flow through the secondary display when equipped.
Lift Cylinder, Double Acting - Stroke - - - 31.1 in
Lift Cylinder, Double Acting - Bore Diameter - - - 4.7 in
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
Lift Cylinder, Double Acting - Rod Diameter - - - 2.6 in

Steering

Maximum Working Pressure - Steering Pump - - 3500 psi 3500 psi
Steering Articulation Angle - Each Direction - - 40° -
Maximum Flow - Steering Pump - - 34 gal/min 34 gal/min
Number of Steering Wheel Turns - Full Left to Full Right or Full Right to Full Left - - 3.3 turns -
Maximum Steering Torque - 0° (Straight Machine) - - 42506 ft·lbf -
Maximum Steering Torque - 40° (Full Turn) - - 31398 ft·lbf -
Steering Cycle Times - Full Left to Full Right - At 1,800 rpm: 90 rpm Steering Wheel Speed - - 2.3 s -
Steering Cycle Times - Full Left to Full Right - Minimum RPM: Pump Flow Limited - - - 3.1 s
Steering Cycle Times - Full Left to Full Right - Maximum RPM: 90 rpm Steering Wheel Speed - - - 2.3 s
Steering Cylinder, Double Acting - Bore Diameter - - - 3.1 in
Steering Cylinder, Double Acting - Rod Diameter - - - 2 in
Steering Cylinder, Double Acting - Stroke - - - 15.7 in
Note (1) - - - Steering system uses a dedicated load sensing variable displacement pump with dual double acting cylinders.
Note (2) - - - Flow values listed are for a machine running in Performance Power Mode (1,800 rpm).

Tires

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. -

Power Train

Brakes - Parking - - - Spring applied hydraulically released
Rear Axle - Traction Aid - Optional - - - Limited slip differential
Rear Axle - Oscillation Angle by Tire Size - 23.5 R25 - - - ± 7 degrees
Rear Axle - - - Oscillating
Rear Axle - Oscillation Angle by Tire Size - 20.5 R25, 550/65, 600/65, 650/65 - - - ± 10.5 degrees
Note (2) - - - Offset rims available to meet European roading requirements.
Note (1) - - - Power train is governed by the Caterpillar exclusive Intelligent Power Management system to deliver peak performance and efficiency.
Brakes - Service - - - Outboard wet disc
Note (3) - - - *Differential front locking axle can be engaged on the go at full torque to 20 km/h (12.4 mph) on the 938M.
Front Axle - - - Fixed
Front Axle - Traction Aid* - - - Locking differential (standard)
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