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    988 GC Wheel Loader
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    992 Wheel Loader
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    Engine
    Engine Model Cat® C15 Cat® C32B -
    Rated Speed 2000 1750 rpm -
    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 U.S. EPA Tier 4 Final, U.S. EPA Tier 2 Equivalent -
    Bore 5.4 in 5.7 in -
    Stroke 6.75 in 6.4 in -
    Displacement 927 in³ 1963.5 in³ -
    Peak Torque - 1,200 rpm - SAE J1995 1778 ft·lbf - -
    Torque Rise 16% - -
    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 116858 lb 233430 lb -
    Rated Payload - Quarry Face 12.5 ton (US) - -
    Bucket Capacity Range 6.4-7.6 m3 (8.3-10 yd3) 11.5-24.5 m³ (15-32 yd³) -
    Cat Truck Match - High Lift 772/773/775 785 -
    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) -
    Cat Truck Match - Standard - 775/777 -

    Transmission
    Transmission Type Cat planetary power shift Cat Planetary Powershift -
    Forward - 1 5 mile/h 4.3 mile/h -
    Forward - 2 8 mile/h 7.4 mile/h -
    Reverse - 1 5 mile/h 4.7 mile/h -
    Reverse - 2 8 mile/h 8.1 mile/h -
    Direct Drive - Forward 1 Lock-up disabled Disabled -
    Direct Drive - Forward 2 8 mile/h 8 mile/h -
    Direct Drive - Forward 3 14 mile/h 14 mile/h -
    Direct Drive - Forward 4 24 mile/h - -
    Direct Drive - Reverse 1 Lock-up disabled 5 mile/h -
    Direct Drive - Reverse 2 9 mile/h 8.8 mile/h -
    Direct Drive - Reverse 3 16 mile/h 15.3 mile/h -
    Direct Drive - Reverse 4 25.4 mile/h - -
    Forward - 3 - 12.7 mile/h -
    Reverse - 3 - 13.9 mile/h -

    Hydraulic System - Lift/Tilt
    Lift/Tilt System - Circuit EH - Load Sense Positive Flow Control -
    Lift/Tilt System 2X x 145 cc Variable displacement piston - -
    Maximum Flow at 2,165 rpm 159 gal/min 250 gal/min -
    Relief Valve Setting - Lift/Tilt 4598 psi 5000 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 41.5 in -
    Lift/Tilt System - Pump - Variable Displacement Piston -
    Lift Cylinder - Bore - 9.3 in -
    Lift Cylinder - Stroke - 63.5 in -
    Tilt Cylinder - Bore - 11.5 in -

    Hydraulic Cycle Times
    Rack Back 3.8 s 2.3 s -
    Raise 7.5 s 9 s -
    Dump 3 s 2.6 s -
    Lower Float Down 4.6 s - -
    Total Hydraulic Cycle Time - Empty Bucket 18.9 s - -
    Rack Back - High Lift - 2.3 s -
    Raise - High Lift - 9 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 -

    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° 80° -
    Steering Cycle Times - High Idle 3 s 3.1 s -
    Steering Cycle Times - Low Idle 5.2 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 +/-12.5° ±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 141 gal (US) 385.7 gal (US) -
    Cooling System 27 gal (US) - -
    Engine Crankcase 9 gal (US) - -
    Diesel Exhaust Fluid Tank 5.5 gal (US) - -
    Transmission 20 gal (US) 51.5 gal (US) -
    Differential - Final Drives - Front 49 gal (US) 96.4 gal (US) -
    Differential - Final Drives - Rear 45 gal (US) 96.4 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 - -
    Cooling Systems - 59.4 gal (US) -
    Crankcase - 31.7 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/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) 11.5-24.5 m³ (15-32 yd³) -

    Sustainability
    Recyclability 96% - -

    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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