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988 GC Wheel Loader

Engine

Engine Model Cat® C15 - -
Rated Speed 2000 - -
Peak Power Speed 1600 - -
Engine Power - ISO 14396: 2002 449 hp - -
Gross Power - SAE J1995:2014 456 hp - -
Net Power - SAE J1349:2011 373 hp - -
Emissions U.S. EPA Tier 4 Final, EU Stage V, and Japan 2014 - -
Bore 5.4 in - -
Stroke 6.75 in - -
Displacement 927 in³ - -
Peak Torque - 1,200 rpm - SAE J1995 1778 ft·lbf - -
Torque Rise 16% - -

Operating Specifications

Operating Weight 116858 lb - -
Rated Payload - Quarry Face 12.5 ton (US) - -
Bucket Capacity Range 6.4-7.6 m3 (8.3-10 yd3) - -
Cat Truck Match - High Lift 772/773/775 - -

Transmission

Transmission Type Cat planetary power shift - -
Forward - 1 5 mile/h - -
Forward - 2 8 mile/h - -
Reverse - 1 5 mile/h - -
Reverse - 2 8 mile/h - -
Direct Drive - Forward 1 Lock-up disabled - -
Direct Drive - Forward 2 8 mile/h - -
Direct Drive - Forward 3 14 mile/h - -
Direct Drive - Forward 4 24 mile/h - -
Direct Drive - Reverse 1 Lock-up disabled - -
Direct Drive - Reverse 2 9 mile/h - -
Direct Drive - Reverse 3 16 mile/h - -
Direct Drive - Reverse 4 25.4 mile/h - -

Hydraulic System - Lift/Tilt

Lift/Tilt System - Circuit EH - Load Sense - -
Lift/Tilt System 2X x 145 cc Variable displacement piston - -
Maximum Flow at 2,165 rpm 159 gal/min - -
Relief Valve Setting - Lift/Tilt 4598 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 - -

Hydraulic Cycle Times

Rack Back 3.8 s - -
Raise 7.5 s - -
Dump 3 s - -
Lower Float Down 4.6 s - -
Total Hydraulic Cycle Time - Empty Bucket 18.9 s - -

Hydraulic System - Steering

Steering System - Circuit Pilot, load sensing - -
Steering System - Pump Piston, variable displacement - -
Maximum Flow 52 gal (US) - -
Relief Valve Setting - Steering 4000 psi - -
Total Steering Angle 70° - -
Steering Cycle Times - High Idle 3 s - -
Steering Cycle Times - Low Idle 5.2 s - -

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 co - -

Axles

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

Brakes

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

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) - -

Sustainability

Recyclability 96% - -
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