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988 GC Wheel Loader
988 XE Wheel Loader

Engine

Engine Model Cat® C15 Cat C13 Cat® C18 ™
Rated Speed 2000 - 1,700 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
Bore 5.4 in - 5.7 in
Stroke 6.75 in - 7.2 in
Displacement 927 in³ - 1105 in³
Peak Torque - 1,200 rpm - SAE J1995 1778 ft·lbf - 2230 ft·lbf
Torque Rise 16% - 58%
Net Power @ 1,700 rpm – ISO 9249:2007, SAE J1349:2011 - 404 HP -
Note (1) - Cat engine meets U.S. EPA Tier 4 Final, EU Stage V, Korea Stage V, China Nonroad Stage IV and Japan 2014 emission standards. -
Note (2) - The net power advertised is the power available at the flywheel when the engine is equipped with fan, alternator, air cleaner, and aftertreatment. -
Note (3) - Cat 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)* • 100% renewable diesel, HVO (h -
Gross Torque @ 1,200 rpm – SAE J1995:2014 - 1636 lb/ft -
Engine Torque @ 1,200 rpm – ISO 14396:2002 - 1620 lb/ft -
Net Torque @ 1,100 rpm – ISO 9249:2007, SAE J1349:2011 - 1515 lb/ft -
Engine Power @ 1,700 rpm – ISO 14396:2002 - 432 HP -
Gross Power @ 1,700 rpm – SAE J1995:2014 - 436 HP -
Engine Power - ISO 14396:2002 - - 580 HP
Gross Power - SAE J1995:2014 - - 588 HP

Operating Specifications

Operating Weight 116858 lb - 116362 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)
Cat Truck Match - High Lift 772/773/775 - -
Breakout Force - 59060 lbf -
Note (1) - For a machine configuration as defined under �Weight.� -
Note (2) - Full compliance to ISO 14397-1:2007 Sections 1 thru 6, which requires 2% verification between calculations and testing. -
Static Tipping Load - Full 40° Turn - No Tire Deflection - 22418 kg -
Static Tipping Load - Full 40° Turn - With Tire Deflection - 46526 lb -
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)

Transmission

Transmission Type Cat planetary power shift - Cat switched reluctance electric drive
Forward - 1 5 mile/h 3.9 mile/h -
Forward - 2 8 mile/h 7.4 mile/h -
Reverse - 1 5 mile/h 4.3 mile/h -
Reverse - 2 8 mile/h 8.5 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 - -
Forward - 3 - 13.1 mile/h -
Forward - 4 - 23.3 mile/h -
Note - Maximum travel speed in standard vehicle with empty bucket and standard L4 tires with 914 mm (36 in) roll radius. -
Reverse - 3 - 15 mile/h -
Reverse - 4 - 24.5 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

Hydraulic System - Lift/Tilt

Lift/Tilt System - Circuit EH - Load Sense - EH-Positive Flow Control, Flow Sharing
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 - 4757 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
Lift/Tilt System - Pump - - Variable displacement piston
Maximum Flow at 1,400-1,600 rpm - - 153 gal/min
Lift Cylinder - Bore - - 8.7 in
Lift Cylinder - Stroke - - 41.3 in
Tilt Cylinder - Bore - - 8.7 in

Hydraulic Cycle Times

Rack Back 3.8 s - 4.5 s
Raise 7.5 s - 8 s
Dump 3 s - 2.2 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

Hydraulic System - Steering

Steering System - Circuit Pilot, load sensing - Pilot, load sensing
Steering System - Pump Piston, variable displacement - Piston, variable displacement
Maximum Flow 52 gal (US) - -
Relief Valve Setting - Steering 4000 psi - -
Total Steering Angle 70° - 86°
Steering Cycle Times - High Idle 3 s - 3.4 s
Steering Cycle Times - Low Idle 5.2 s - 5.6 s
Maximum Flow at 1,400-1,600 rpm - - 71.3 gal/min
Steering Cut Off Pressure - - 4351 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. The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1430). The system contains 1.9 kg (4.2 lb) of refrigerant which has a CO2 equivalent 2.717 metric tonnes (2.995 tons). 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 +/-12.5° - 13°

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 and ISO 3449:2005 Level II standards

Service Refill Capacities

Fuel Tank 141 gal (US) 112.5 gal (US) 147 gal (US)
Cooling System 27 gal (US) 13.7 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) 20.3 gal (US) 16 gal (US)
Differential - Final Drives - Front 49 gal (US) 24.3 gal (US) 49 gal (US)
Differential - Final Drives - Rear 45 gal (US) 24.3 gal (US) 49 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
Crankcase - 9.8 gal (US) -
DEF Tank - 5.5 gal (US) -
Hydraulic Tank - 40.4 gal (US) -
Cooling System - Jacket Water - - 30 gal (US)
Cooling Systems - Power Train - - 8 gal (US)
Hydraulic System - Implement/Steering - - 126 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 - 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

Bucket Capacities 6.4-7.6 m3 (8.3-10 yd3) - 4.7-13 m3 (6.2-17 yd3)

Sustainability

Recyclability 96% - 96%

Weights

Operating Weight - 78264 lb -
Note - Weight based on a machine configuration with Bridgestone 875/65R29 VLTS L4 radial tires, full fluids, operator, standard counterweight, ride control, cold start, roading fenders, Product Link, open differential axles (front/rear), secondary steering, soun -

Bucket Capacities

Bucket Range - 4.8-17.2 m³ 6.25-22.5 yd³ -

Sound

Note (1) - ** For machines in European Union countries and in countries that adopt the �EU Directives.� -
Note (2) - ***European Union Directive �2000/14/EC� as amended by �2005/88/EC.� -
With Cooling Fan Speed at 70% of Maximum Value - Exterior Sound Power Level* - 109 -
With Cooling Fan Speed at 70% of Maximum Value - Operator Sound Pressure Level (ISO 6396:2008) - 72 dB(A) -
With Cooling Fan Speed at Maximum Speed - Exterior Sound Power Level (ISO 6395:2008) - 112 dB(A) -
With Cooling Fan Speed at Maximum Speed - Exterior Sound Pressure Level (SAE J88:2013) - 78 -
With Cooling Fan Speed at Maximum Speed - Operator Sound Pressure Level (ISO 6396:2008) - 72 dB(A) -

Hydraulic System

Implement System - Maximum Operating Pressure - 4975 psi -
Implement System - Maximum Pump Output at 2,250 rpm - 119 gal/min -

Dimensions

Note - All dimensions are approximate and based on machine equipped with 6.1 m3 (8.0 yd3) general purpose bucket with BOCE and Bridgestone 875/65R29 VLTS L4 radial tires. -

Dimensions - High Lift

Centerline of Rear Axle to Edge of Counterweight - 9.4 ft -
Centerline of Rear Axle to Hitch - 6.3 ft -
Ground Clearance - 1.4 ft -
Height - Top of Exhaust Pipe - 12.4 ft -
Height - Top of Hood - 10 ft -
Height - Top of ROPS - 12.6 ft -
Hinge Pin Height at Carry - 2.11 ft -
Hinge Pin Height at Maximum Lift - 16.1 ft -
Lift Arm Clearance at Maximum Lift - 13.4 ft -
Overall Length - Without Bucket - 29.11 ft -
Tread Width - 8.4 ft -
Wheel Base - 12.6 ft -
Width over Tires (Loaded) - 11.5 ft -

Dimensions - Standard Lift

Centerline of Rear Axle to Edge of Counterweight - 8.9 ft -
Centerline of Rear Axle to Hitch - 6.3 ft -
Ground Clearance - 428 mm -
Height - Top of Exhaust Pipe - 3736 mm -
Height - Top of Hood - 3036 mm -
Height - Top of ROPS - 3801 mm -
Hinge Pin Height at Carry - 2.7 ft -
Hinge Pin Height at Maximum Lift - 4741 mm -
Lift Arm Clearance at Maximum Lift - 3902 mm -
Overall Length - Without Bucket - 8597 mm -
Tread Width - 8.4 ft -
Wheel Base - 3800 mm -
Width over Tires (Loaded) - 11.5 ft -

Sound Performance - Tier 4 Final / Stage V - Standard

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

Operator Sound Pressure Level (ISO 6396:2008) - - 72 dB(A)
Machine Sound Power Level (ISO 6395:2008) - - 110 dB(A)

Dimensions (Approximate) - Standard Lift

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

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 °
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