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988 GC Wheel Loader |
988 XE Wheel Loader |
992 Wheel Loader |
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Engine |
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Engine Model | Cat® C15 | Cat® C18 ™ | Cat® C32B |
Rated Speed | 2000 | 1,700 rpm | 1750 rpm |
Peak Power Speed | 1600 | 1,500 rpm | - |
Engine Power - ISO 14396 | 449 hp | - | - |
Gross Power - SAE J1995 | 456 hp | - | - |
Net Power - SAE J1349 | 373 hp | 538 hp | - |
Emissions | U.S. EPA Tier 4 Final, EU Stage V, and Japan 2014 | U.S. EPA Tier 4 Final, EU Stage V, and Japan 2014 | U.S. EPA Tier 4 Final, U.S. EPA Tier 2 Equivalent |
Bore | 5.4 in | 5.7 in | 5.7 in |
Stroke | 6.75 in | 7.2 in | 6.4 in |
Displacement | 927 in³ | 1105 in³ | 1963.5 in³ |
Peak Torque - 1,200 rpm - SAE J1995 | 1778 ft·lbf | 2230 ft·lbf | - |
Torque Rise | 16% | 58% | - |
Engine Power - ISO 14396:2002 | - | 580 hp | - |
Gross Power - SAE J1995:2014 | - | 588 hp | - |
Net Power | - | - | 814 hp |
Gross Power - SAE J1995 at 1,750 rpm - Tier 4/HRC (Highly Regulated Country) - Standard | - | - | 900 hp |
Gross Power - SAE J1995 at 1,750 rpm - Tier 4/HRC - High Ambient | - | - | 937 hp |
Gross Power - SAE J1995 at 1,750 rpm - Tier 2/LRC (Less Regulated Country) - Standard | - | - | 907 hp |
Gross Power - SAE J1995 at 1,750 rpm - Tier 2/LRC - High Ambient | - | - | 944 hp |
Gross Power - ISO 14396 at 1,750 rpm - Tier 4/HRC - Standard | - | - | 884 hp |
Gross Power - ISO 14396 at 1,750 rpm - Tier 4/HRC - High Ambient | - | - | 921 hp |
Gross Power - ISO 14396 at 1,750 rpm - Tier 2/LRC - Standard | - | - | 893 hp |
Gross Power - ISO 14396 at 1,750 rpm - Tier 2/LRC - High Ambient | - | - | 931 hp |
Net Power - SAE J1349 at 1,750 rpm - Tier 4/HRC - Standard | - | - | 814 hp |
Net Power - SAE J1349 at 1,750 rpm - Tier 4/HRC - High Ambient | - | - | 814 hp |
Net Power - SAE J1349 at 1,750 rpm - Tier 2/LRC - Standard | - | - | 823 hp |
Net Power - SAE J1349 at 1,750 rpm - Tier 2/LRC - High Ambient | - | - | 823 hp |
Peak Torque - SAE J1995 - Tier 4/HRC - Standard @ 1,200 rpm | - | - | 3514 ft·lbf |
Peak Torque - SAE J1995 - Tier 4/HRC - High Ambient @ 1,300 rpm | - | - | 3555 ft·lbf |
Peak Torque - SAE J1995 - Tier 2/LRC - Standard @ 1,200 rpm | - | - | 3537 ft·lbf |
Peak Torque - SAE J1995 - Tier 2/LRC - High Ambient @ 1,350 rpm | - | - | 3570 ft·lbf |
Operating Specifications |
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Operating Weight | 116858 lb | 116362 lb | 233430 lb |
Rated Payload - Quarry Face | 12.5 ton (US) | - | - |
Bucket Capacity Range | 6.4-7.6 m3 (8.3-10 yd3) | 4.7-13 m3 (6.2-17 yd3) | 11.5-24.5 m³ (15-32 yd³) |
Cat Truck Match - High Lift | 772/773/775 | - | 785 |
Operating Weight - Standard | - | 116362 lb | - |
Operating Weight - High Lift | - | 119618 lb | - |
Rated Payload - Standard (Quarry Face) | - | 12.5 ton (US) | - |
Rated Payload - Loose Material (Standard) | - | 16 ton (US) | - |
Rated Payload - Standard | - | - | 25.5 ton (US) |
Rated Payload - Standard (Material Handler) | - | - | 30 ton (US) |
Rated Payload - High Lift | - | - | 22.5 ton (US) |
Rated Payload - High Lift (Material Handler) | - | - | 27 ton (US) |
Cat Truck Match - Standard | - | - | 775/777 |
Transmission |
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Transmission Type | Cat planetary power shift | Cat switched reluctance electric drive | Cat Planetary Powershift |
Forward - 1 | 5 mile/h | - | 4.3 mile/h |
Forward - 2 | 8 mile/h | - | 7.4 mile/h |
Reverse - 1 | 5 mile/h | - | 4.7 mile/h |
Reverse - 2 | 8 mile/h | - | 8.1 mile/h |
Direct Drive - Forward 1 | Lock-up disabled | - | Disabled |
Direct Drive - Forward 2 | 8 mile/h | - | 8 mile/h |
Direct Drive - Forward 3 | 14 mile/h | - | 14 mile/h |
Direct Drive - Forward 4 | 24 mile/h | - | - |
Direct Drive - Reverse 1 | Lock-up disabled | - | 5 mile/h |
Direct Drive - Reverse 2 | 9 mile/h | - | 8.8 mile/h |
Direct Drive - Reverse 3 | 16 mile/h | - | 15.3 mile/h |
Direct Drive - Reverse 4 | 25.4 mile/h | - | - |
Forward 1 (virtual) | - | 4.3 mile/h | - |
Forward 2 (virtual) | - | 7 mile/h | - |
Forward 3 (virtual) | - | 13.8 mile/h | - |
Forward 4 (virtual) | - | 20 mile/h | - |
Reverse 1 (virtual) | - | 4.3 mile/h | - |
Reverse 2 (virtual) | - | 7 mile/h | - |
Reverse 3 (virtual) | - | 17.5 mile/h | - |
Forward - 3 | - | - | 12.7 mile/h |
Reverse - 3 | - | - | 13.9 mile/h |
Hydraulic System - Lift/Tilt |
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Lift/Tilt System - Circuit | EH - Load Sense | EH-Positive Flow Control, Flow Sharing | Positive Flow Control |
Lift/Tilt System | 2X x 145 cc Variable displacement piston | - | - |
Maximum Flow at 2,165 rpm | 159 gal/min | - | 250 gal/min |
Relief Valve Setting - Lift/Tilt | 4598 psi | 4757 psi | 5000 psi |
Cylinders, Double Acting - Lift, Bore and Stroke | 190 mm x 1216 mm (7.5 in x 48 in) | - | - |
Cylinders, Double Acting - Tilt, Bore and Stroke | 170 mm x 722 mm (6.7 in x 28.4 in) | - | - |
Pilot System | Variable displacement piston | - | - |
Tilt Cylinder - Stroke | 27 in | 27 in | 41.5 in |
Lift/Tilt System - Pump | - | Variable displacement piston | Variable Displacement Piston |
Maximum Flow at 1,400-1,600 rpm | - | 153 gal/min | - |
Lift Cylinder - Bore | - | 8.7 in | 9.3 in |
Lift Cylinder - Stroke | - | 41.3 in | 63.5 in |
Tilt Cylinder - Bore | - | 8.7 in | 11.5 in |
Hydraulic Cycle Times |
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Rack Back | 3.8 s | 4.5 s | 2.3 s |
Raise | 7.5 s | 8 s | 9 s |
Dump | 3 s | 2.2 s | 2.6 s |
Lower Float Down | 4.6 s | 3.5 s | - |
Total Hydraulic Cycle Time - Empty Bucket | 18.9 s | - | - |
Total Hydraulic Cycle Time | - | 18.2 s | 17.1 s |
Rack Back - High Lift | - | - | 2.3 s |
Raise - High Lift | - | - | 9 s |
Dump - High Lift | - | - | 2.6 s |
Float Down | - | - | 3.2 s |
Float Down - High Lift | - | - | 3.2 s |
Hydraulic System - Steering |
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Steering System - Circuit | Pilot, load sensing | Pilot, load sensing | Pilot, Load Sensing |
Steering System - Pump | Piston, variable displacement | Piston, variable displacement | Piston, Variable Displacement |
Maximum Flow | 52 gal (US) | - | - |
Relief Valve Setting - Steering | 4000 psi | - | - |
Total Steering Angle | 70° | 86° | 80° |
Steering Cycle Times - High Idle | 3 s | 3.4 s | 3.1 s |
Steering Cycle Times - Low Idle | 5.2 s | 5.6 s | 4.9 s |
Maximum Flow at 1,400-1,600 rpm | - | 71.3 gal/min | - |
Steering Cut Off Pressure | - | 4351 psi | 4500 psi |
Maximum Flow at 1,400-1,850 rpm | - | - | 70 gal/min |
Air Conditioning System |
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Air Conditioning | The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1430). The system contains 1.8 kg of refrigerant which has a CO2 equivalent of 2.574 metric tonnes. | The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1430). The system contains 1.8 kg of refrigerant which has a CO2 equivalent of 2.574 metric tonnes. | - |
Axles |
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Front | Fixed | Fixed | Fixed |
Rear | Trunnion | Trunnion | Trunnion |
Oscillation Angle | +/-12.5° | 13° | ±9° |
Brakes |
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Brakes | ISO 3450:2011 | ISO 3450:2011 | 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 | ROPS/FOPS meet ISO 3471:2008 and ISO 3449:2005 Level II standards | - |
Service Refill Capacities |
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Fuel Tank | 141 gal (US) | 147 gal (US) | 385.7 gal (US) |
Cooling System | 27 gal (US) | - | - |
Engine Crankcase | 9 gal (US) | 16 gal (US) | - |
Diesel Exhaust Fluid Tank | 5.5 gal (US) | 8.7 gal (US) | - |
Transmission | 20 gal (US) | 16 gal (US) | 51.5 gal (US) |
Differential - Final Drives - Front | 49 gal (US) | 49 gal (US) | 96.4 gal (US) |
Differential - Final Drives - Rear | 45 gal (US) | 49 gal (US) | 96.4 gal (US) |
Note | Cat U.S. EPA Tier 4 Final, EU Stage V, and Japan 2014 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 a | All nonroad Tier 4 Final/Stage V diesel engines are required to use: – The machine has the flexibility to run on either ultra-low-sulfur diesel fuel (ULSD with 15 ppm of sulfur or less). – Cat engines are compatible with the following renewable, alternati | - |
Cooling System - Jacket Water | - | 30 gal (US) | - |
Cooling Systems - Power Train | - | 8 gal (US) | - |
Hydraulic System - Implement/Steering | - | 126 gal (US) | - |
Cooling Systems | - | - | 59.4 gal (US) |
Crankcase | - | - | 31.7 gal (US) |
Hydraulic System Factory Fill (Implement) | - | - | 104.1 gal (US) |
Hydraulic Tank - Implement | - | - | 60.2 gal (US) |
Hydraulic Factory Fill (Steering) | - | - | 32.5 gal (US) |
Hydraulic Tank (Steering Tank Only) | - | - | 26.3 gal (US) |
Sound Performance - Tier 4 Final/EU Stage V - Standard |
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Operator Sound Level (ISO 6396) | 72 dB(A) | - | - |
Machine Sound Level (ISO 6395) | 110 dB(A) | - | - |
Note (1) | 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. | - | - |
Note (2) | 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. | - | - |
Note (3) | The machine sound power level was measured according to the test procedures and conditions specified in ISO 6395:2008. The measurement was conducted at 70 percent of the maximum engine cooling fan speed. | - | - |
Dimensions (Approximate) - High Lift |
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Ground to Top of ROPS | 13.5 ft | 13.8 ft | - |
Ground to Top of Exhaust Stacks | 13.3 ft | 14.8 ft | - |
Ground to Top of Hood | 10.7 ft | 10.9 ft | - |
Rear Axle - Centerline to Bumper | 10.3 ft | 10.5 ft | - |
Front Axle Centerline to Bucket Tip | 15.7 ft | 15.3 ft | - |
Wheel Base | 12.5 ft | 14.9 ft | - |
Maximum Overall Length | 39.5 ft | 40.7 ft | - |
Ground to Lower Hitch Clearance | 1.5 ft | 1.9 ft | - |
Clearance at Maximum Lift | 12 ft | 13.3 ft | - |
B-Pin Height - Maximum Lift | 18.7 ft | 19.3 ft | - |
Maximum Overall Height - Bucket Raised | 25 ft | 25.8 ft | - |
Reach - Maximum Lift | 7.7 ft | 6.8 ft | - |
Note | Specifications are calculated with 6.9 m3 (9.0 yd3 ) rock bucket equipped with Michelin XLDD1 35/65 R33 tires. | Specs are calculated with 6.9 m3 (9.0 yd3) rock bucket and Michelin XLDD2 with 978 mm (3.2 ft) centerline of rear axle height. | - |
Ground to Bumper Clearance | - | 3.1 ft | - |
Ground to Center of Axles | - | 3.2 ft | - |
Buckets |
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Bucket Capacities | 6.4-7.6 m3 (8.3-10 yd3) | 4.7-13 m3 (6.2-17 yd3) | 11.5-24.5 m³ (15-32 yd³) |
Sustainability |
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Recyclability | 96% | 96% | - |
Sound Performance - Tier 4 Final / Stage V - Standard |
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Operator Sound Pressure Level (ISO 6396:2008) | - | 72 dB(A) | - |
Machine Sound Power Level (ISO 6395:2008) | - | 109 dB(A) | - |
Sound Performance - Tier 3 / Stage III - Standard |
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Operator Sound Pressure Level (ISO 6396:2008) | - | 72 dB(A) | - |
Machine Sound Power Level (ISO 6395:2008) | - | 110 dB(A) | - |
Dimensions (Approximate) - Standard Lift |
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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 | - |
Ground to Bumper Clearance | - | 3.1 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 | - |
Ground to Center of Axles | - | 3.2 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 | - |
Note | - | Specs are calculated with 6.9 m3 (9.0 yd3) rock bucket and Michelin XLDD2 with 978 mm (3.2 ft) centerline of rear axle height. | - |
Dimensions - Millyard Linkage |
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Ground to Top of ROPS | - | 13.8 ft | - |
Ground to Top of Exhaust Stacks | - | 13.8 ft | - |
Ground to Top of Hood | - | 10.9 ft | - |
Ground to Bumper Clearance | - | 3.1 ft | - |
Rear Axle - Centerline to Bumper | - | 10.5 ft | - |
Front Axle Centerline to Fork Tip | - | 16.5 ft | - |
Wheel Base | - | 14.9 ft | - |
Maximum Overall Length | - | 41.9 ft | - |
Ground to Lower Hitch Clearance | - | 1.9 ft | - |
Ground to Center of Front Axle | - | 3.2 ft | - |
Fork Height with Level Arms | - | 8.1 ft | - |
Fork Top Clamp Opening | - | 13.1 ft | - |
Fork Height at Maximum Lift | - | 17.2 ft | - |
Hinge Pin Height at Maximum Lift | - | 16.1 ft | - |
Dump Angle at Maximum Lift | - | -39.4 ° | - |
Cooling System |
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Ambient Capability Hydraulically Driven Demand Fan - Standard | - | - | 109.4 °F |
Ambient Capability, Hydraulically Driven Demand Fan - High | - | - | 131 °F |
Sound Performance - Standard |
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Note | - | - | Machine Sound Level (ISO 6396:2008) - 116 dB(A) |
Sound Performance - Suppression |
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Note | - | - | Machine Sound Level (ISO 6396:2008) - 113 dB(A) |
Dimensions - Standard Lift - Approximate |
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Ground to Top of Exhaust Stacks | - | - | 17 ft |
Ground to Top of ROPS | - | - | 18.3 ft |
Ground to Top of Hood | - | - | 13.1 ft |
Ground to Center of Front Axle | - | - | 4.3 ft |
Ground to Bumper Clearance | - | - | 3.8 ft |
Ground to Lower Hitch Clearance | - | - | 2.2 ft |
Reach - Maximum Lift | - | - | 8.2 ft |
Clearance at Maximum Lift | - | - | 15.2 ft |
B-Pin Height - Maximum Lift | - | - | 22.8 ft |
Maximum Overall Height - Bucket Raised | - | - | 30.8 ft |
Rear Axle - Centerline to Bumper | - | - | 13.5 ft |
Tread Width | - | - | 10.83 ft |
Rack Back Angle - Maximum Lift | - | - | 56.9 degrees |
Dump Angle at Maximum Lift | - | - | -49.5 degrees |
Rack Back Angle - Ground Level | - | - | 40.2 degrees |
Width - Over Tires - With Bulge | - | - | 14.74 ft |
Rack Back Angle - Carry | - | - | 48.9 degrees |
Wheel Base | - | - | 19.3 ft |
Maximum Overall Length | - | - | 50.8 ft |
Front Axle Centerline to Bucket Tip | - | - | 18 ft |
Dimensions - High Lift - Approximate |
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Tread Width | - | - | 10.83 ft |
Rack Back Angle - Ground Level | - | - | 42.5 degrees |
Dump Angle at Maximum Lift | - | - | -48.1 degrees |
Rack Back Angle - Maximum Lift | - | - | 56.2 degrees |
Width - Over Tires - With Bulge | - | - | 14.75 ft |
Rack Back Angle - Carry | - | - | 51.6 degrees |
Ground to Top of Exhaust Stacks | - | - | 17 ft |
Ground to Top of ROPS | - | - | 18.3 ft |
Ground to Top of Hood | - | - | 13.1 ft |
Ground to Center of Front Axle | - | - | 4.3 ft |
Ground to Bumper Clearance | - | - | 3.8 ft |
Ground to Lower Hitch Clearance | - | - | 2.2 ft |
Reach - Maximum Lift | - | - | 7.6 ft |
Clearance at Maximum Lift | - | - | 17.2 ft |
B-Pin Height - Maximum Lift | - | - | 24.5 ft |
Maximum Overall Height - Bucket Raised | - | - | 32 ft |
Rear Axle - Centerline to Bumper | - | - | 13.5 ft |
Wheel Base | - | - | 19.3 ft |
Maximum Overall Length | - | - | 51.6 ft |
Front Axle Centerline to Bucket Tip | - | - | 18.8 ft |
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