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988 Wheel Loader
988 GC Wheel Loader

Engine

Net Power @ 1,700 rpm – ISO 9249:2007, SAE J1349:2011 404 HP - -
Engine Model Cat C13 Cat® C18 ™ Cat® C15
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 - -
Net Power - SAE J1349:2011 - 538 HP -
Engine Power - ISO 14396:2002 - 580 HP -
Gross Power - SAE J1995:2014 - 588 HP -
Rated Speed - 1700/min 2000
Peak Power Speed - 1500/rpm 1600
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, EU Stage V, and Japan 2014
Bore - 5.7 in 5.4 in
Stroke - 7.2 in 6.75 in
Displacement - 1105 in³ 927 in³
Peak Torque - 1,200 rpm - 2230 lb/ft -
Torque Rise - 58 % 16%
Engine Power - ISO 14396 - - 449 HP
Gross Power - SAE J1995 - - 456 HP
Net Power - SAE J1349 - - 373 HP
Peak Torque - 1,200 rpm - SAE J1995 - - 1778 ft·lbf

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 - -

Transmission

Forward - 1 3.9 mile/h 4 mile/h 5 mile/h
Forward - 2 7.4 mile/h 7.2 mile/h 8 mile/h
Forward - 3 13.1 mile/h 12.7 mile/h -
Forward - 4 23.3 mile/h 21.6 mile/h -
Note Maximum travel speed in standard vehicle with empty bucket and standard L4 tires with 914 mm (36 in) roll radius. - -
Reverse - 1 4.3 mile/h 4.7 mile/h 5 mile/h
Reverse - 2 8.5 mile/h 8.3 mile/h 8 mile/h
Reverse - 3 15 mile/h 14.4 mile/h -
Reverse - 4 24.5 mile/h - -
Transmission Type - Cat planetary powershift Cat planetary power shift
Direct Drive - Forward 1 - Lock-up disabled Lock-up 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 24 mile/h
Direct Drive - Reverse 1 - 5 mile/h Lock-up disabled
Direct Drive - Reverse 2 - 8.9 mile/h 9 mile/h
Direct Drive - Reverse 3 - 15.8 mile/h 16 mile/h
Direct Drive - Reverse 4 - - 25.4 mile/h

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) - -

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 1.9 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. 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.

Operating Specifications

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 - 112574 lb 116858 lb
Rated Payload - Quarry Face - 12.5 t 12.5 ton (US)
Rated Payload - Loose Material - 16 t -
Bucket Capacity Range - 4.7-13 m3 (6.2-17 yd3) 6.4-7.6 m3 (8.3-10 yd3)
Cat Truck Match - Standard - 770~772 -
Cat Truck Match - High Lift - 773~775 772/773/775

Service Refill Capacities

Cooling System 13.7 gal (US) 31.7 gal (US) 27 gal (US)
Crankcase 9.8 gal (US) 15.9 gal (US) -
DEF Tank 5.5 gal (US) - -
Differential - Final Drives - Front 24.3 gal (US) 49.1 gal (US) 49 gal (US)
Differential - Final Drives - Rear 24.3 gal (US) 49.1 gal (US) 45 gal (US)
Fuel Tank 112.5 gal (US) 188 gal (US) 141 gal (US)
Hydraulic Tank 40.4 gal (US) - -
Transmission 20.3 gal (US) 31.7 gal (US) 20 gal (US)
Coolant (Validated by Test Cell Fill Quantities) - 33 gal (US) -
Diesel Exhaust Fluid Tank - 8.7 gal (US) 5.5 gal (US)
Transmission - Validated by Test Cell Fill Quantities - 29 gal (US) -
Hydraulic System Factory Fill - 125.5 gal (US) -
Hydraulic System - Tank Only - 63.4 gal (US) -
Engine Crankcase - - 9 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

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 - -

Hydraulic System - Lift/Tilt

Lift/Tilt System - Circuit - EH- Positive Flow Control, Flow Sharing EH - Load Sense
Lift/Tilt System - Variable displacement piston 2X x 145 cc Variable displacement piston
Maximum Flow at 1,400-1,860 rpm - 153 gal/min -
Relief Valve Setting - Lift/Tilt - 4757 psi 4598 psi
Cylinders, Double Acting - Lift, Bore and Stroke - 210 mm × 1050 mm (8.7 in × 41.3 in) 190 mm x 1216 mm (7.5 in x 48 in)
Cylinders, Double Acting - Tilt, Bore and Stroke - 269 mm × 685 mm (8.7 in × 27 in) 170 mm x 722 mm (6.7 in x 28.4 in)
Pilot System - Variable displacement piston Variable displacement piston
Relief Valve Setting - Main - 551 psi -
Maximum Flow at 2,165 rpm - - 159 gal/min
Tilt Cylinder - Stroke - - 27 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 52 gal (US)
Relief Valve Setting - Steering - 4351 psi 4000 psi
Total Steering Angle - 86 ° 70°
Steering Cycle Times - High Idle - 3.4 s 3 s
Steering Cycle Times - Low Idle - 5.6 s 5.2 s

Axles

Front - Fixed Fixed
Rear - Trunnion Trunnion
Oscillation Angle - 13 ° +/-12.5°

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

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) 6.4-7.6 m3 (8.3-10 yd3)

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

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.

Sustainability

Recyclability - - 96%
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