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    988 GC Wheel Loader
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    992 Wheel Loader
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    920 Compact 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 Cat C3.6
    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 3.85 in
    Stroke 6.75 in 6.4 in 4.72 in
    Displacement 927 in³ 1963.5 in³ 220 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 Engine meets Tier 4 Final/Stage V emission standards.
    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 -
    Maximum Gross Power - - 121 hp
    Rated Net Power - Rated Engine Speed - - 2200 r/min
    Maximum Gross Power - Rated Engine Speed - - 2200 r/min
    Rated Net Power - SAE J1349 - - 120 hp
    Maximum Gross Power - ISO 14396 (metric) - - 122 hp
    Rated Net Power - ISO 9249 - - 118 hp
    Maximum Gross Torque - SAE J1995 - - 372 ft·lbf
    Maximum Gross Torque - ISO 14396 - - 369 ft·lbf
    Maximum Net Torque - SAE J1349 - - 366 ft·lbf
    Maximum Net Torque - ISO 9249 - - 363 ft·lbf
    Note - - Net power advertised is the power available at the flywheel plus front drive implement pump when the engine is equipped with fan, air cleaner, muffler and alternator.
    Maximum Gross Power - ISO 14396 - - 121 hp

    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. - *Creeper Control allows speed control from a stand still up to 10 km/h (6.3 mph). The Creeper Control will only work in Range 1.
    Forward - 3 - 12.7 mile/h -
    Reverse - 3 - 13.9 mile/h -
    Forward and Reverse - Speed Range 3 - - 25 mile/h
    Forward and Reverse - Speed Range 2* - - 12.5 mile/h
    Forward and Reverse - Speed Range 1* - - 6.3 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 gpm 250 gpm -
    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 gpm - -
    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 gpm -
    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 Fixed; Locking differential (standard)
    Rear Trunnion Trunnion Oscillating ±11 degrees; Locking differential (standard)
    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) 43.6 gal (US)
    Cooling System 27 gal (US) - 5.7 gal (US)
    Engine Crankcase 9 gal (US) - 2.6 gal (US)
    Diesel Exhaust Fluid Tank 5.5 gal (US) - -
    Transmission 20 gal (US) 51.5 gal (US) 0.8 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 - DEF used in Cat Selective Catalyst Reduction (SCR) systems must meet the requirements outlined in the International Organization for Standardization (ISO) standard 22241-1.
    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) -
    Axles - Rear - - 4.5 gal (US)
    Hydraulic System - Including Tank - - 25.9 gal (US)
    Hydraulic Tank - - 14.5 gal (US)
    Diesel Exhaust Fluid (DEF) Tank - - 4.8 gal (US)
    Axles - Front - - 4.5 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) 1.3-3.5 m3 (1.7-4.6 yd3)
    Bucket Capacities - General Purpose - - 1.3-1.9 m³ (1.7-2.5 yd³)
    Bucket Capacities - Light Material - - 2.5-3.5 m³ (3.3-4.6 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 -

    Weights
    Operating Weight - - 21742 lb

    Sustainability
    Recyclability - - 95%

    Cab
    ROPS - - ISO 3471:2008
    FOPS - - ISO 3449:2005
    Note (3) - - The labelled sound power level for the CE marked configurations when measured according to the test procedure and conditions specified in 2000/14/EC (as amended by 2005/88/EC) is 103 dB(A).
    Note (2) - - The declared dynamic operator sound pressure levels per ISO 6396:2008*, when the cab is properly installed and maintained, is 77 dB(A).
    Note (1) - - Cab and Rollover Protective Structures (ROPS) are standard in North America and Europe.
    Note (4) - - *The measurements were conducted with the cab doors and windows closed.

    Loader Hydraulic System
    Maximum Flow - Implement Pump - - 43.6 gpm
    Relief Pressure - Tilt Cylinder - - 4641 psi
    Maximum Flow - Implement Pump - 3rd Function, Maximum Flow, Standard - - 25 gpm
    Relief Pressure - Tilt Cylinder - 4th Function Relief Pressure - - 4641 psi
    Hydraulic Cycle Time - Float Down, Maximum Lift to Ground Level - - 2.7 s
    Note - - All cycle times listed are with cylinder snubbing turned off.
    Maximum Working Pressure - Implement Pump - - 4061 psi
    Hydraulic Cycle Time - Total Cycle Time - - 11.5 s
    Hydraulic Cycle Time - Rackback - - 2.2 s
    Hydraulic Cycle Time - Dump, at Maximum Reach - - 1.8 s
    Hydraulic Cycle Time - Raise, Ground Level to Maximum Lift - - 4.8 s
    Maximum Flow - Implement Pump - 3rd Function, Maximum Flow, High - - 40 gpm
    Maximum Flow - Implement Pump - 4rd Function, Maximum Flow - - 25 gpm

    Steering
    Maximum Working Pressure - Steering Pump - - 3190 psi
    Steering Cycle Times - Full Left to Full Right - At 2,350 rpm: 90 rpm Steering Wheel Speed - - 2.3 s
    Steering Articulation Angle - Each Direction - - 40 °
    Number of Steering Wheel Turns - Full Left to Full Right or Full Right to Full Left - - 3.4 turns
    Maximum Flow - Steering Pump - - 21.7 gpm

    Tires
    Other Choices Include - - 17.5 R25 L3 XHA2; 20.5 R25 L3 XHA3; 17.5-25 L2/L3 SGL; 20.5-25 L2/L3 SGL; 17.5-25 L3 HRL D/L-3A; 17.5 R25 L2 Snow; 20.5 R25 L2 Snow; 17.5 R25 Solid
    Standard Size - - 17.5 R25 L2 XTLA
    Note (1) - - Other tire choices are available. Contact your Cat dealer for details.
    Note (3) - - Caterpillar recommends that you consult a tire supplier to evaluate all conditions before selecting a tire model.
    Note (2) - - In certain applications, the loader’s productive capabilities may exceed the tire’s tonnes-km/h (ton-mph) capabilities.
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