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988 GC Wheel Loader
995 Wheel Loader
992 Wheel Loader

Engine

Engine Model Cat® C15 Cat® 3516E Cat® C32B
Rated Speed 2000 - 1750 rpm
Peak Power Speed 1600 - -
Engine Power - ISO 14396 449 HP 1847 HP -
Gross Power - SAE J1995 456 HP 1870 HP -
Net Power - SAE J1349 373 HP - -
Emissions U.S. EPA Tier 4 Final, EU Stage V, and Japan 2014 U.S. EPA Tier 4 Final/EU Stage V or U.S. EPA Tier 1 equivalent U.S. EPA Tier 4 Final, U.S. EPA Tier 2 Equivalent
Bore 5.4 in 6.7 in 5.7 in
Stroke 6.75 in 8.5 in 6.4 in
Displacement 927 in³ 4766 in³ 1963.5 in³
Peak Torque - 1,200 rpm - SAE J1995 1778 ft·lbf 8549 lb/ft -
Torque Rise 16% 39% -
Net Power - SAE J1349 - Standard Ambient - 1739 HP -
Net Power - SAE J1349 - High Ambient - 1696 HP -
Note (1) - The power ratings apply when tested under the reference conditions for the specified standard. -
Note (2) - The net power advertised is the power available at the flywheel when the engine is equipped with fan, alternator, air cleaner and muffler. -
Note (3) - The gross power advertised is with the fan at maximum speed. -
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

Operating Weight 116858 lb - 233430 lb
Rated Payload - Quarry Face 12.5 ton (US) - -
Bucket Capacity Range 6.4-7.6 m3 (8.3-10 yd3) 17.2-43.6 m3 (22.3-57 yd3) 11.5-24.5 m³ (15-32 yd³)
Cat Truck Match - High Lift 772/773/775 789/793/794 785
Operating Weight - Standard - 543772 lb -
Operating Weight - High Lift - 547675 lb -
Rated Payload - Standard Lift (Low to Moderate Digging Resistance) - 60 ton (US) -
Rated Payload - Standard Lift (Moderate to High Digging Resistance) - 50 ton (US) -
Rated Payload - High Lift (Low to Moderate Digging Resistance) - 55 ton (US) -
Rated Payload - High Lift (Moderate to High Digging Resistance) - 50 ton (US) -
Note - *Please contact your local dealer to determine if your application is suitable for this increased rated payload. -
Cat Truck Match - Standard - 785/789 775/777
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)

Transmission

Transmission Type Cat planetary power shift Cat Planetary Power Shift Cat Planetary Powershift
Forward - 1 5 mile/h 4.6 mile/h 4.3 mile/h
Forward - 2 8 mile/h 8 mile/h 7.4 mile/h
Reverse - 1 5 mile/h 5 mile/h 4.7 mile/h
Reverse - 2 8 mile/h 8.8 mile/h 8.1 mile/h
Direct Drive - Forward 1 Lock-up disabled Lock-up disables Disabled
Direct Drive - Forward 2 8 mile/h 8.7 mile/h 8 mile/h
Direct Drive - Forward 3 14 mile/h 15.2 mile/h 14 mile/h
Direct Drive - Forward 4 24 mile/h - -
Direct Drive - Reverse 1 Lock-up disabled Lock-up disables 5 mile/h
Direct Drive - Reverse 2 9 mile/h 9.6 mile/h 8.8 mile/h
Direct Drive - Reverse 3 16 mile/h 16.8 mile/h 15.3 mile/h
Direct Drive - Reverse 4 25.4 mile/h - -
Forward - 3 - 13.6 mile/h 12.7 mile/h
Reverse - 3 - 14.9 mile/h 13.9 mile/h
Note - Travel speeds based on 58/85-57 tires. -

Hydraulic System - Lift/Tilt

Lift/Tilt System - Circuit EH - Load Sense Positive Flow Control 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 5004 psi 5000 psi
Cylinders, Double Acting - Lift, Bore and Stroke 190 mm x 1216 mm (7.5 in x 48 in) 370 × 1713 mm (14.6 × 67.4 in) -
Cylinders, Double Acting - Tilt, Bore and Stroke 170 mm x 722 mm (6.7 in x 28.4 in) 310 × 1086 mm (12.2 × 42.8 in) -
Pilot System Variable displacement piston Open Loop and Pressure Reducing -
Tilt Cylinder - Stroke 27 in - 41.5 in
Lift/Tilt System - Pump - Variable Displacement Piston Variable Displacement Piston
Maximum Flow at 1,700 rpm Engine Speed - 541 gal/min -
Lift Cylinder - Bore - - 9.3 in
Lift Cylinder - Stroke - - 63.5 in
Tilt Cylinder - Bore - - 11.5 in

Hydraulic Cycle Times

Rack Back 3.8 s 4.9 s 2.3 s
Raise 7.5 s 12.6 s 9 s
Dump 3 s 3.1 s 2.6 s
Lower Float Down 4.6 s 4.2 s -
Total Hydraulic Cycle Time - Empty Bucket 18.9 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
Total Hydraulic Cycle Time - - 17.1 s

Hydraulic System - Steering

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° 80 degrees 80°
Steering Cycle Times - High Idle 3 s 4.3 s 3.1 s
Steering Cycle Times - Low Idle 5.2 s 7.6 s 4.9 s
Maximum Flow at 1,400-1,850 rpm - - 70 gal/min
Steering Cut Off Pressure - - 4500 psi

Air Conditioning System

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. - -

Axles

Front Fixed Fixed Fixed
Rear Trunnion Trunnion Trunnion
Oscillation Angle +/-12.5° ±9°

Brakes

Brakes ISO 3450:2011 ISO 3450:2011 ISO 3450:2011

Operator's Cab

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

Service Refill Capacities

Fuel Tank 141 gal (US) - 385.7 gal (US)
Cooling System 27 gal (US) - -
Engine Crankcase 9 gal (US) - -
Diesel Exhaust Fluid Tank 5.5 gal (US) - -
Transmission 20 gal (US) - 51.5 gal (US)
Differential - Final Drives - Front 49 gal (US) - 96.4 gal (US)
Differential - Final Drives - Rear 45 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 - -
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

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

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 - -
Rear Axle - Centerline to Bumper 10.3 ft - -
Front Axle Centerline to Bucket Tip 15.7 ft - -
Wheel Base 12.5 ft - -
Maximum Overall Length 39.5 ft - -
Ground to Lower Hitch Clearance 1.5 ft - -
Clearance at Maximum Lift 12 ft - -
B-Pin Height - Maximum Lift 18.7 ft - -
Maximum Overall Height - Bucket Raised 25 ft - -
Reach - Maximum Lift 7.7 ft - -
Note Specifications are calculated with 6.9 m3 (9.0 yd3 ) rock bucket equipped with Michelin XLDD1 35/65 R33 tires. - -

Buckets

Bucket Capacities 6.4-7.6 m3 (8.3-10 yd3) - 11.5-24.5 m³ (15-32 yd³)

Sustainability

Recyclability 96% - -

Complete System Fill

Fuel Tank - Standard - 856 gal (US) -
Fuel Tank - With 24 hr Attachment - 1414 gal (US) -
Cooling System - 138 gal (US) -
Engine Crankcase - 76 gal (US) -
Transmission - 110 gal (US) -
Differential - Final Drives - Front - 220 gal (US) -
Differential - Final Drives - Rear - 200 gal (US) -
Hydraulic Tank - Implement and Hydraulic Fan - 270 gal (US) -
Hydraulic Tank - Steering and Braking - 100 gal (US) -
Oil Renewal System (ORS)* - 20 gal (US) -
Note - *Not available on Tier 4 Final/Stage V machines. Not available in all regions. -

Cooling System

Ambient Capability Hydraulically Driven Demand Fan - Standard - 109.4 °F 109.4 °F
Ambient Capability Hydraulically Driven Demand Fan - High (Tier 1 equivalent) - 131 °F -
Ambient Capability Hydraulically Driven Demand Fan - High (Tier 4 Final) - 127.4 °F -
Ambient Capability, Hydraulically Driven Demand Fan - High - - 131 °F

Sound Performance - Standard

Operator Sound Level (ISO 6396:2008) - Tier 1/EU Stage I Equivalent - 74 dB(A) -
Machine Sound Level (ISO 6395:2008) - 119 dB(A) -
Note - The declared sound levels listed above include the addition of both measurement uncertainty and uncertainty due to production variation. Typical measurement uncertainty for this type of machine is 2 dBA in accordance with "ISO 4871". The measurement was c Machine Sound Level (ISO 6396:2008) - 116 dB(A)

Sound Performance - Suppression

Operator Sound Level (ISO 6396:2008) - Tier 1/EU Stage I Equivalent - 73 dB(A) -
Machine Sound Level (ISO 6395:2008) - 117 dB(A) -
Note - The declared sound levels listed above include the addition of both measurement uncertainty and uncertainty due to production variation. Typical measurement uncertainty for this type of machine is 2 dBA in accordance with "ISO 4871". The measurement was c Machine Sound Level (ISO 6396:2008) - 113 dB(A)

Dimensions - Standard Lift - Approximate

B-Pin Height - Maximum Lift - 28.8 ft 22.8 ft
Clearance at Maximum Lift - 19.8 ft 15.2 ft
Dump Angle at Maximum Lift - –50.0 degrees -49.5 degrees
Front Axle Centerline to Bucket Tip - 21.9 ft 18 ft
Ground to Bumper Clearance - 4.4 ft 3.8 ft
Ground to Center of Axles - 6 ft -
Ground to Lower Hitch Clearance - 2.9 ft 2.2 ft
Ground to Top of Exhaust Stacks - 23.2 ft 17 ft
Ground to Top of Hood - 18.6 ft 13.1 ft
Ground to Top of ROPS - 23.4 ft 18.3 ft
Maximum Overall Height - Bucket Raised - 39.3 ft 30.8 ft
Maximum Overall Length - 64.6 ft 50.8 ft
Note - Assumes loaded 58/85-57 tires, tires at a static loaded radius of 1830 mm (6 ft), 596-5330 26 m3 (34 yd3) bucket, 431-0064 HD tips. -
Rack Angle at Maximum Lift - 59.5 degrees -
Rack Back Angle - Carry - 47.7 degrees 48.9 degrees
Rack Back Angle - Ground Level - 39.7 degrees 40.2 degrees
Reach - Maximum Lift - 9.6 ft 8.2 ft
Rear Axle - Centerline to Bumper - 20.4 ft 13.5 ft
Tread Width - 14.1 ft 10.83 ft
Wheel Base - 22.3 ft 19.3 ft
Width - Over Tires - With Bulge - 18.8 ft 14.74 ft
Ground to Center of Front Axle - - 4.3 ft
Rack Back Angle - Maximum Lift - - 56.9 degrees

Dimensions - High Lift - Approximate

B-Pin Height - Maximum Lift - 31.6 ft 24.5 ft
Clearance at Maximum Lift - 22.6 ft 17.2 ft
Dump Angle at Maximum Lift - –50.0 degrees -48.1 degrees
Front Axle Centerline to Bucket Tip - 24.2 ft 18.8 ft
Ground to Bumper Clearance - 4.4 ft 3.8 ft
Ground to Center of Axles - 6 ft -
Ground to Lower Hitch Clearance - 2.9 ft 2.2 ft
Ground to Top of Exhaust Stacks - 23.2 ft 17 ft
Ground to Top of Hood - 18.6 ft 13.1 ft
Ground to Top of ROPS - 23.4 ft 18.3 ft
Maximum Overall Height - Bucket Raised - 42.1 ft 32 ft
Maximum Overall Length - 66.9 ft 51.6 ft
Note - Assumes loaded 58/85-57 tires, tires at a static loaded radius of 1830 mm (6 ft), 596-5330 26 m3 (34 yd3) bucket, 431-0064 HD tips. -
Rack Angle at Maximum Lift - 59.4 degrees -
Rack Back Angle - Carry - 53.5 degrees 51.6 degrees
Rack Back Angle - Ground Level - 45 degrees 42.5 degrees
Reach - Maximum Lift - 9.4 ft 7.6 ft
Rear Axle - Centerline to Bumper - 20.4 ft 13.5 ft
Tread Width - 14.1 ft 10.83 ft
Wheel Base - 22.3 ft 19.3 ft
Width - Over Tires - With Bulge - 18.8 ft 14.75 ft
Rack Back Angle - Maximum Lift - - 56.2 degrees
Ground to Center of Front Axle - - 4.3 ft
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