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    988 GC Wheel Loader
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    992 Wheel Loader
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    Operating Specifications
    Operating Weight 112426 lb 233430 lb -
    Bucket Capacity Range 6.4-7.6 m3 (8.3-10 yd3) 11.5-24.5 m³ (15-32 yd³) -
    Rated Payload - Quarry Face 12.5 ton (US) - -
    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 -

    Engine
    Engine Model Cat® C15 Cat® C32B -
    Rated Speed 2000 rpm 1750 rpm -
    Peak Power Speed 1600 rpm - -
    Gross Power - SAE J1995:2014 456 hp - -
    Net Power - SAE J1349:2011 448 hp - -
    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 J1995:2014 1778 lbf·ft - -
    Torque Rise 16% - -
    Note (1) Two engine emission options are available: 1. Meets U.S. EPA Tier 4 Final, EU Stage V, and Japan emission standards. 2. Meets Brazil MAR-1 emission standards, equivalent to U.S. EPA Tier 3 and EU Stage IIIA. - -
    Note (2) Net power advertised is the power available at the flywheel when the engine is equipped with fan at minimum speed, air intake system, exhaust system, and alternator. - -
    Note (3) Net power at the flywheel when the fan is at maximum speed is 304 kW / 408 hp per SAE reference conditions. - -
    Net Power - 814 hp -
    Emissions - U.S. EPA Tier 4 Final, U.S. EPA Tier 2 Equivalent -
    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 -

    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 - -
    Note Travel speeds based on 35/65-R33 tires. - -
    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 - Pump Variable displacement piston 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 - -
    Relief Valve Setting 500 psi - -
    Lift Cylinder - Bore - 9.3 in -
    Lift Cylinder - Stroke - 63.5 in -
    Tilt Cylinder - Bore - 11.5 in -
    Tilt Cylinder - Stroke - 41.5 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 at 2,165 rpm 52 gal/min - -
    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 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 Fixed -
    Rear Trunnion Trunnion -
    Oscillation Angle +/-12.5° ±9° -

    Brakes
    Brakes ISO 3450:2011 ISO 3450:2011 -

    Operator's Cab
    ROPS/FOPS Rollover Protective Structure/Falling Objects Protective Structure (ROPS/FOPS) meet ISO 3471:2008 and ISO 3449:2005 Level II standards - -

    Sound Performance - Tier 4 Final / Stage V
    Operator Sound Pressure Level (ISO 6396:2008) 73 dB(A) - -
    Machine Sound Power Level (ISO 6395:2008) 113 dB(A) - -
    Operator Sound Pressure Level (ISO 6396:2008)* 72 dB(A) - -
    Machine Sound Power Level (ISO 6395:2008)** 110 dB(A) - -
    Note (1) * For machines in European Union countries and in countries that adopt the “EU Directives” and “UK Directives.” - -
    Note (2) ** European Union Directive “2000/14/EC” as amended by “2005/88/EC” and UK Noise Regulation 2001 No. 1701. - -
    Note (3) The machine sound power level was measured according to ISO 6395:2008. The measurement was conducted at 70% of the maximum engine cooling fan speed. - -
    Note (4) The operator sound pressure level was measured according to ISO 6396:2008. The measurement was conducted at 70% of the maximum engine cooling fan speed. - -
    Note (5) 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. - -

    Sound Performance - Tier 3 / Stage IIIA
    Operator Sound Pressure Level (ISO 6396:2008) 74 dB(A) - -
    Machine Sound Power Level (ISO 6395:2008) 113 dB(A) - -
    Operator Sound Pressure Level (ISO 6396:2008)* 73 dB(A) - -
    Machine Sound Power Level (ISO 6395:2008)** 110 dB(A) - -
    Note (1) * For machines in European Union countries and in countries that adopt the “EU Directives” and “UK Directives.” - -
    Note (2) ** European Union Directive “2000/14/EC” as amended by “2005/88/EC” and UK Noise Regulation 2001 No. 1701. - -
    Note (3) The machine sound power level was measured according to ISO 6395:2008. The measurement was conducted at 70% of the maximum engine cooling fan speed. - -
    Note (4) The operator sound pressure level was measured according to ISO 6396:2008. The measurement was conducted at 70% of the maximum engine cooling fan speed. - -
    Note (5) 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. - -

    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) -
    Hydraulic System Factory Fill 94 gal (US) - -
    Note Cat diesel engines are required to use ULSD (ultra-low sulfur diesel fuel with 15 ppm of sulfur or less) and are compatible* with ULSD blended with the following lower-carbon intensity fuels** up to: - 20% biodiesel FAME (fatty acid methyl ester) *** - 10 - -
    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) -

    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 - -
    Ground to Fuel Tank Clearance 2.2 ft - -
    Rear Axle - Centerline to Bumper 10.3 ft - -
    Front Axle Centerline to Bucket Tip 16.7 ft - -
    Wheel Base 12.5 ft - -
    Maximum Overall Length 39.5 ft - -
    Ground to Lower Hitch Clearance 1.5 ft - -
    Ground to Center of Front Axle 3.2 ft - -
    Clearance at Maximum Lift (45° Dump) 12 ft - -
    B-Pin Height - Maximum Lift 18.7 ft - -
    Maximum Overall Height - Bucket Raised 25 ft - -
    Reach at Maximum Lift (45° Dump) 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 - 11.5-24.5 m³ (15-32 yd³) -

    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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