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988 GC Wheel Loader

Engine

Engine Model Cat® C15 Cat C13 Cat C13
Rated Speed 2000 - -
Peak Power Speed 1600 - -
Engine Power - ISO 14396 449 HP - -
Gross Power - SAE J1995 456 HP - -
Net Power - SAE J1349 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 12.5 L 12.5L
Peak Torque - 1,200 rpm - SAE J1995 1778 ft·lbf - -
Torque Rise 16% - -
Net Power @ 1,700 rpm – ISO 9249:2007, SAE J1349:2011 - 393 HP 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. Cat engine meets U.S. EPA Tier 4 Final, EU Stage V, Korea Stage V, 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. The net power advertised is the power available at the flywheel when the engine is equipped with fan, alternator, air cleaner, and aftertreatment.
Gross Torque @ 1,200 rpm – SAE J1995:2014 - 1627 lb/ft 1636 lb/ft
Engine Torque @ 1,200 rpm – ISO 14396:2002 - 1612 lb/ft 1620 lb/ft
Gross Power @ 1,700 rpm – SAE J1995:2014 - 425 HP 436 HP
Net Torque @ 1,100 rpm – ISO 9249:2007, SAE J1349:2011 - 1539 lb/ft 1515 lb/ft
Engine Power @ 1,700 rpm – ISO 14396:2002 - 429 HP 432 HP
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 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

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 - -
Breakout Force - 51008 lb 59060 lbf
Note (1) - For a machine configuration as defined under �Weight.� 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. 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 - 20965 kg 22418 kg
Static Tipping Load - Full 40° Turn - With Tire Deflection - 43432 lb 46526 lb

Transmission

Transmission Type Cat planetary power shift - -
Forward - 1 5 mile/h 4.3 mile/h 3.9 mile/h
Forward - 2 8 mile/h 8.3 mile/h 7.3 mile/h
Reverse - 1 5 mile/h 4.8 mile/h 4.4 mile/h
Reverse - 2 8 mile/h 9.4 mile/h 8.4 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 - 14.6 mile/h 13 mile/h
Forward - 4 - 24.5 mile/h 24.5 mile/h
Note - Maximum travel speed in standard vehicle with empty bucket and standard L4 tires with 935 mm (37 in) roll radius. Maximum travel speed in standard vehicle with empty bucket and standard L4 tires with 914 mm (36 in) roll radius.
Reverse - 3 - 16.7 mile/h 17.4 mile/h
Reverse - 4 - 24.5 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 (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 1.9 kg (4.2 lb) of refrigerant which has a CO2 equivalent 2.717 metric tonnes (2.995 tons).

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) 112.5 gal (US) 112.5 gal (US)
Cooling System 27 gal (US) 13.7 gal (US) 13.7 gal (US)
Engine Crankcase 9 gal (US) - -
Diesel Exhaust Fluid Tank 5.5 gal (US) - -
Transmission 20 gal (US) 20.3 gal (US) 20.3 gal (US)
Differential - Final Drives - Front 49 gal (US) 22.2 gal (US) 24.3 gal (US)
Differential - Final Drives - Rear 45 gal (US) 22.4 gal (US) 24.3 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 - -
Crankcase - 9.8 gal (US) 9.8 gal (US)
DEF Tank - 5.5 gal (US) 5.5 gal (US)
Hydraulic Tank - 40.4 gal (US) 40.4 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) - -

Sustainability

Recyclability 96% - -

Weights

Operating Weight - 66877 lb 78264 lb
Note - Weight based on a machine configuration with Bridgestone 29.5R25 VSNT L4 radial tires, full fluids, operator, standard counterweight, ride control cold start, roading fenders, Product Link, open differential axles (front/rear), secondary steering, sound s 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 - 4.0-14.5 m³ 5.25-19 yd³ 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.� * 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.� 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* - 109 107
With Cooling Fan Speed at 70% of Maximum Value - Operator Sound Pressure Level (ISO 6396:2008) - 72 dB(A) 70 dB(A)
With Cooling Fan Speed at Maximum Speed - Exterior Sound Power Level (ISO 6395:2008) - 112 dB(A) 110 dB(A)
With Cooling Fan Speed at Maximum Speed - Exterior Sound Pressure Level (SAE J88:2013) - 78 75
With Cooling Fan Speed at Maximum Speed - Operator Sound Pressure Level (ISO 6396:2008) - 72 dB(A) 70 dB(A)

Hydraulic System

Implement System - Maximum Operating Pressure - 4975 psi 4975 psi
Implement System - Maximum Pump Output at 2,250 rpm - 119 gal/min 119 gal/min
Hydraulic Cycle Time - Total - - 10.1 seconds

Dimensions

Note - All dimensions are approximate and based on machine equipped with 5.4 m3 (7.1 yd3) general purpose bucket with BOCE and Bridgestone 29.5R25 VSNT L4 radial tires. 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 - 8.9 ft 9.4 ft
Centerline of Rear Axle to Hitch - 6.3 ft 6.3 ft
Ground Clearance - 1.5 ft 1.4 ft
Height - Top of Exhaust Pipe - 12.5 ft 12.4 ft
Height - Top of Hood - 10.1 ft 10 ft
Height - Top of ROPS - 12.7 ft 12.6 ft
Hinge Pin Height at Carry - 2.2 ft 2.11 ft
Hinge Pin Height at Maximum Lift - 15.7 ft 16.1 ft
Lift Arm Clearance at Maximum Lift - 13.6 ft 13.4 ft
Overall Length - Without Bucket - 27.5 ft 29.11 ft
Tread Width - 8 ft 8.4 ft
Wheel Base - 12.6 ft 12.6 ft
Rack Back at Ground - 40 degrees -
Width over Tires (Loaded) - 10.9 ft 11.5 ft
Rack Back - Carry Height - 50 degrees -
Rack Back - Maximum Lift - 61 degrees -

Dimensions - Standard Lift

Centerline of Rear Axle to Hitch - 6.3 ft 6.3 ft
Ground Clearance - 456 mm 428 mm
Height - Top of Exhaust Pipe - 3764 mm 3736 mm
Height - Top of Hood - 3064 mm 3036 mm
Height - Top of ROPS - 3829 mm 3801 mm
Hinge Pin Height at Carry - 2.2 ft 2.7 ft
Hinge Pin Height at Maximum Lift - 4554 mm 4741 mm
Lift Arm Clearance at Maximum Lift - 3881 mm 3902 mm
Overall Length - Without Bucket - 8155 mm 8597 mm
Tread Width - 8 ft 8.4 ft
Wheel Base - 3800 mm 3800 mm
Rack Back at Ground - 40 degrees -
Centerline of Rear Axle to Edge of Counterweight - 2661 mm 8.95 ft
Width over Tires (Loaded) - 10.9 ft 11.5 ft
Rack Back - Carry Height - 50 degrees -
Rack Back - Maximum Lift - 61 degrees -
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