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988 Wheel Loader
992 Wheel Loader

Engine

Net Power - SAE J1349:2011 538 hp - -
Engine Power - ISO 14396:2002 580 hp - -
Gross Power - SAE J1995:2014 588 hp - -
Engine Model Cat® C18 ™ Cat® C32B -
Rated Speed 1700/min 1750 rpm -
Peak Power Speed 1500/rpm - -
Emissions U.S. EPA Tier 4 Final, EU Stage V, and Japan 2014 emission standards, Brazil MAR-1 and China Nonroad Stage IV emission standards, equivalent to U.S. EPA Tier 3 and EU Stage IIIA, and U.S. EPA Tier 2 and EU Stage II U.S. EPA Tier 4 Final, U.S. EPA Tier 2 Equivalent -
Bore 5.7 in 5.7 in -
Stroke 7.2 in 6.4 in -
Displacement 1105 in³ 1963.5 in³ -
Peak Torque - 1,200 rpm 2230 lb/ft - -
Torque Rise 58 % - -
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 112574 lb 233430 lb -
Rated Payload - Quarry Face 12.5 t - -
Rated Payload - Loose Material 16 t - -
Bucket Capacity Range 4.7-13 m3 (6.2-17 yd3) 11.5-24.5 m³ (15-32 yd³) -
Cat Truck Match - Standard 770~772 775/777 -
Cat Truck Match - High Lift 773~775 785 -
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 powershift Cat Planetary Powershift -
Forward - 1 4 mile/h 4.3 mile/h -
Forward - 2 7.2 mile/h 7.4 mile/h -
Forward - 3 12.7 mile/h 12.7 mile/h -
Forward - 4 21.6 mile/h - -
Reverse - 1 4.7 mile/h 4.7 mile/h -
Reverse - 2 8.3 mile/h 8.1 mile/h -
Reverse - 3 14.4 mile/h 13.9 mile/h -
Direct Drive - Forward 1 Lock-up disabled 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 - -
Direct Drive - Reverse 1 5 mile/h 5 mile/h -
Direct Drive - Reverse 2 8.9 mile/h 8.8 mile/h -
Direct Drive - Reverse 3 15.8 mile/h 15.3 mile/h -

Hydraulic System - Lift/Tilt

Lift/Tilt System - Circuit EH- Positive Flow Control, Flow Sharing Positive Flow Control -
Lift/Tilt System Variable displacement piston - -
Maximum Flow at 1,400-1,860 rpm 153 gal/min - -
Relief Valve Setting - Lift/Tilt 4757 psi 5000 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 269 mm × 685 mm (8.7 in × 27 in) - -
Pilot System Variable displacement piston - -
Relief Valve Setting - Main 551 psi - -
Lift/Tilt System - Pump - Variable Displacement Piston -
Maximum Flow at 2,165 rpm - 250 gal/min -
Lift Cylinder - Bore - 9.3 in -
Lift Cylinder - Stroke - 63.5 in -
Tilt Cylinder - Bore - 11.5 in -
Tilt Cylinder - Stroke - 41.5 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 Pilot, Load Sensing -
Steering System - Pump Piston, variable displacement Piston, Variable Displacement -
Maximum Flow 71.3 gal/min - -
Relief Valve Setting - Steering 4351 psi - -
Total Steering Angle 86 ° 80° -
Steering Cycle Times - High Idle 3.4 s 3.1 s -
Steering Cycle Times - Low Idle 5.6 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 -
Rear Trunnion Trunnion -
Oscillation Angle 13 ° ±9° -

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 - -

Service Refill Capacities

Fuel Tank 188 gal (US) 385.7 gal (US) -
Cooling System 31.7 gal (US) - -
Coolant (Validated by Test Cell Fill Quantities) 33 gal (US) - -
Crankcase 15.9 gal (US) 31.7 gal (US) -
Diesel Exhaust Fluid Tank 8.7 gal (US) - -
Transmission 31.7 gal (US) 51.5 gal (US) -
Transmission - Validated by Test Cell Fill Quantities 29 gal (US) - -
Differential - Final Drives - Front 49.1 gal (US) 96.4 gal (US) -
Differential - Final Drives - Rear 49.1 gal (US) 96.4 gal (US) -
Hydraulic System Factory Fill 125.5 gal (US) - -
Hydraulic System - Tank Only 63.4 gal (US) - -
Cooling Systems - 59.4 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 / Stage V - Standard

Operator Sound Pressure Level (ISO 6396:2008) 73 dB(A) - -
Machine Sound Power Level (ISO 6395:2008) 111 dB(A) - -

Sound Performance - Tier 3 / Stage III - Standard

Operator Sound Pressure Level (ISO 6396:2008) 73 dB(A) - -
Machine Sound Power Level (ISO 6395:2008) 112 dB(A) - -

Dimensions (Approximate) - Standard Lift Linkage

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

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 - -

Buckets

Bucket Capacities 4.7-13 m3 (6.2-17 yd3) 11.5-24.5 m³ (15-32 yd³) -

Hydraulic Cycle Times

Rack Back - 2.3 s -
Rack Back - High Lift - 2.3 s -
Raise - 9 s -
Raise - High Lift - 9 s -
Dump - 2.6 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 -

Cooling System

Ambient Capability Hydraulically Driven Demand Fan - Standard - 109.4 °F -
Ambient Capability, Hydraulically Driven Demand Fan - High - 131 °F -

Sound Performance - Standard

Note - Machine Sound Level (ISO 6396:2008) - 116 dB(A) -

Sound Performance - Suppression

Note - Machine Sound Level (ISO 6396:2008) - 113 dB(A) -

Dimensions - Standard Lift - Approximate

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

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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