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988 Wheel Loader
950 GC Wheel Loader | Front Loader
988 GC Wheel Loader
910 Compact Wheel Loader

Engine

Engine Power - ISO 14396:2002 580 hp - - -
Engine Model Cat® C18 Cat C7.1 Cat® C15 Cat C3.6
Rated Speed 1700/rpm - 2000 rpm -
Peak Power Speed 1500/rpm - 1600 rpm -
Gross Power - SAE J1995:2014 588 hp - 456 hp -
Net Power - SAE J1349:2011 538 hp - 448 hp -
Bore 5.7 in 4.13 in 5.4 in 3.85 in
Stroke 7.2 in 5.31 in 6.75 in 4.72 in
Displacement 1105 in³ 428 in³ 927 in³ 220 in³
Peak Torque - 1,200 rpm 2104 lbf·ft - - -
Torque Rise 58 % - 16% -
Note (1) Three engine emission options are available: 1. Meets U.S. EPA Tier 4 Final, EU Stage V, and Japan 2014 emission standards. 2. Meets Brazil MAR-1 emission standards, equivalent to U.S. EPA Tier 3 and EU Stage IIIA. 3. Meets China Nonroad Stage IV emissio - 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. - 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. -
Net Power - ISO 9249 - 225 hp - -
Emissions - Tier 4/Stage V - Engine meets Tier 4 Final/Stage V emission standards.
Note - 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 of 2.717 metric tonnes (2.995 tons). - 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 Net Power - 1,700 rpm - ISO 9249 - Metric - 228 hp - -
Maximum Power - 1,700 rpm - ISO 14396 - 240 hp - -
Maximum Power - 1,700 rpm - ISO 14396 - Metric - 243 hp - -
Peak Gross Torque - 1,400 rpm - SAE J1995 - 811 ft·lbf - -
Peak Gross Torque - 1,400 rpm - ISO 14396 - 805 ft·lbf - -
Maximum Net Power - 1,700 rpm - ISO 9249 - 225 hp - -
Maximum Net Power - 1,700 rpm - SAE J1349 - 225 hp - -
Maximum Power - 1,700 rpm - SAE J1995 - 241 hp - -
Peak Torque (1,200 rpm) - SAE J1995:2014 - - 1778 lbf·ft -
Note (3) - - Net power at the flywheel when the fan is at maximum speed is 304 kW / 408 hp per SAE reference conditions. -
Maximum Gross Power - - - 110 hp
Rated Net Power - Rated Engine Speed - - - 2200 r/min
Maximum Gross Power - Rated Engine Speed - - - 1800 r/min
Rated Net Power - SAE J1349 - - - 99 hp
Maximum Gross Power - ISO 14396 (metric) - - - 112 hp
Rated Net Power - ISO 9249 - - - 98 hp
Maximum Gross Torque - SAE J1995 - - - 335 ft·lbf
Maximum Gross Torque - ISO 14396 - - - 332 ft·lbf
Maximum Net Torque - SAE J1349 - - - 329 ft·lbf
Maximum Net Torque - ISO 9249 - - - 327 ft·lbf
Maximum Gross Power - ISO 14396 - - - 110 hp

Operating Specifications

Operating Weight 112574 lb - 112426 lb -
Bucket Capacity Range 4.7-13 m3 (6.2-17 yd3) - 6.4-7.6 m3 (8.3-10 yd3) -
Rated Payload - Quarry Face 12.5 t - 12.5 ton (US) -
Rated Payload - Loose Material 16 t - - -
Cat Truck Match - Standard 770 - 772 - - -
Cat Truck Match - High Lift 773 - 775 - 772/773/775 -

Transmission

Transmission Type Cat planetary powershift - Cat planetary power shift -
Forward - 1 4 mile/h 4.5 mile/h 5 mile/h -
Forward - 2 7.2 mile/h 8 mile/h 8 mile/h -
Forward - 3 12.7 mile/h 14.2 mile/h - -
Forward - 4 21.6 mile/h 22.4 mile/h - -
Reverse - 1 4.7 mile/h 4.5 mile/h 5 mile/h -
Reverse - 2 8.3 mile/h 8 mile/h 8 mile/h -
Reverse - 3 14.4 mile/h 14.2 mile/h - -
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 -
Note - Maximum travel speed in standard vehicle with empty bucket and standard L3 tires with 760 mm (30 in) roll radius. 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.
Direct Drive - Reverse 4 - - 25.4 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- Positive Flow Control, Flow Sharing - EH - Load Sense -
Lift/Tilt System - Pump Variable displacement piston - Variable displacement piston -
Maximum Flow at 1,400-1,860 rpm 153 gpm - - -
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 266 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 -
Relief Valve Setting - - 500 psi -

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 at 1,400-1,600 rpm 71.3 gpm - - -
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 -
Maximum Flow at 2,165 rpm - - 52 gal/min -

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 - 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 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 - 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) - 73 dB(A) -
Machine Sound Power Level (ISO 6395:2008) 111 dB(A) - 113 dB(A) -
Operator Sound Pressure Level (ISO 6396:2008)* 72 dB(A) - 72 dB(A) -
Machine Sound Power Level (ISO 6395:2008)** 109 dB(A) - 110 dB(A) -
Note (1) * For machines in European Union countries and in countries that adopt the “EU Directives” and “UK Directives.” - * 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. - ** 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. - 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. - 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. - 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) 73 dB(A) - 74 dB(A) -
Machine Sound Power Level (ISO 6395:2008) 112 dB(A) - 113 dB(A) -
Operator Sound Pressure Level (ISO 6396:2008)* 72 dB(A) - 73 dB(A) -
Machine Sound Power Level (ISO 6395:2008)** 110 dB(A) - 110 dB(A) -
Note (1) * For machines in European Union countries and in countries that adopt the “EU Directives” and “UK Directives.” - * 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. - ** 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. - 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. - 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. - 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 188 gal (US) - 141 gal (US) 43.6 gal (US)
Cooling System 31.7 gal (US) 13.2 gal (US) 27 gal (US) 5.7 gal (US)
Coolant (Validated by Test Cell Fill Quantities) 33 gal (US) - - -
Crankcase 15.9 gal (US) 4.8 gal (US) - -
Diesel Exhaust Fluid Tank (For Tier 4 Final/Stage V Only) 8.7 gal (US) - - -
Transmission 24.3 gal (US) 11.9 gal (US) 20 gal (US) 0.8 gal (US)
Transmission - Validated by Test Cell Fill Quantities 29 gal (US) - - -
Differential - Final Drives - Front 49.1 gal (US) 10.6 gal (US) 49 gal (US) -
Differential - Final Drives - Rear 49.1 gal (US) 10 gal (US) 45 gal (US) -
Hydraulic System Factory Fill 125.5 gal (US) - 94 gal (US) -
Hydraulic System - Tank Only 63.4 gal (US) - - -
Note • All non-road Tier 4 Final/Stage V 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 - 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 SCR systems must meet the requirements outlined in the International Organization for Standardization (ISO) standard 22241-1.
DEF Tank - 4.2 gal (US) - -
Fuel Tank Size - 76.6 gal (US) - -
Hydraulic Tank - 29.6 gal (US) - 14.5 gal (US)
Engine Crankcase - - 9 gal (US) 2.6 gal (US)
Diesel Exhaust Fluid Tank - - 5.5 gal (US) -
Diesel Exhaust Fluid (DEF) Tank - - - 4.8 gal (US)
Hydraulic System - Including Tank - - - 25.9 gal (US)
Axles - Front Center Differential - - - 2 gal (US)
Axles - Rear Center Differential - - - 2 gal (US)

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 - - -

Weights

Operating Weight - 41554 lb - 18102 lb

Buckets

Bucket Capacities - 2.9-4.4 m³ (3.75-5.75 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)

Sound

With Cooling Fan Speed at Maximum Value - Exterior Sound Pressure Level (SAE J88:2013) - 76 dB(A)* - -
Note (1) - *Distance of 15 m (49.2 ft), moving forward in second gear ratio. - -
With Cooling Fan Speed at 70% of Maximum Value: Note (2) - European Union Directive "2000/14/EC" as amended by "2005/88/EC." - -
With Cooling Fan Speed at 70% of Maximum Value - Operator Sound Pressure Level (ISO 6396:2008)** - 73 dB(A) - -
With Cooling Fan Speed at 70% of Maximum Value: Note (1) - For machines in European Union countries and in countries that adopt the EU Directives - -
With Cooling Fan Speed at Maximum Value - Note - Distance of 15 m (49.2 ft), moving forward in second gear ratio. - -
With Cooling Fan Speed at 70% of Maximum Value - Exterior Sound Power Level (ISO 6395:2008)** - 107 LWA*** - -
Note (3) - ***European Union Directive "2000/14/EC" as amended by "2005/88/EC." - -
Note (2) - **For machines in European Union countries and in countries that adopt the "EU Directives." - -
With Cooling Fan Speed at Maximum Value - Operator Sound Pressure Level (ISO 6396:2008) - 73 dB(A) - -
With Cooling Fan Speed at Maximum Value - Exterior Sound Power Level (ISO 6395:2008) - 109 dB(A) - -

Dimensions

Rack Back - Ground - 40 degrees - -
Height - Top of Exhaust Pipe - 11.17 ft - -
Centerline of Rear Axle to Hitch - 5.42 ft - -
Lift Arm Clearance - 12 ft - -
B-Pin Height - 13.75 ft - -
Centerline of Rear Axle to Edge of Counterweight - 6.75 ft - -
Ground Clearance - 1.5 ft - -
Rack Back - Maximum Lift - 60 degrees - -
Height - Top of Hood - 8.75 ft - -
Wheel Base - 10.83 ft - -
Height - Top of ROPS - 11.33 ft - -
Rack Back - Carry - 45 degrees - -
Note - All dimensions are approximate and based on MAXAM MS302 23.5R25 L3 radial tires. - -

Weights and Operating Specifications

Note (2) - *Full compliance to ISO (2007) 14397-1 Sections 1 thru 6, which requires 2% verification between calculations and testing. - -
Tipping Load - Full Turn - Rigid Tires** - 25875 lb - -
Breakout Force - 34638 lbf - -
Tipping Load - Full Turn - ISO 14397-1* - 24264 lb - -
Note (3) - **Compliance to ISO (2007) 14397-1 Sections 1 thru 5. - -
Operating Weight - 41554 lb - -
Note (1) - For 3.1 m3 (4.0 yd3) general purpose buckets with BOCE. Weight based on a machine configuration with MAXAM MS302 23.5R25 L3 radial tires, full fluids, operator, standard counterweight, cold start, roading fenders, Product Link™, secondary steering, sound - -

Hydraulic System

Hydraulic Cycle Time - Total Cycle Time - 9.4 s - -
Steering System - Pump Type - Piston - -
Implement System - Maximum Operating Pressure @ 50 ± 1.5 L/min (13.2 + 0.4 gal/min) - 4047 psi - -
Implement System - Maximum Pump Output at 2,390 rpm - 68 gpm - -

Engine - Tier 4 Final/Stage IV

Emissions - Tier 4/Stage IV - -

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 -

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. -

Sustainability

Recyclability - - - 95%

Cab

ROPS - - - ISO 3471:2008
FOPS - - - ISO 3449:2005
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 (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 (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.

Steering

Maximum Working Pressure - Steering Pump - - - 2683 psi
Steering Articulation Angle - Each Direction - - - 40 °
Steering Cycle Times - Full Left to Full Right - At 2,350 rpm: 90 rpm Steering Wheel Speed - - - 3.2 s
Maximum Flow - Steering Pump - - - 17 gpm
Number of Steering Wheel Turns - Full Left to Full Right or Full Right to Full Left - - - 3.75 turns

Loader Hydraulic System

Hydraulic Cycle Time - Dump, at Maximum Reach - - - 1.4 s
Hydraulic Cycle Time - Total Cycle Time - - - 12.5 s
Maximum Working Pressure - Implement Pump - - - 3408 psi
Relief Pressure - Tilt Cylinder - - - 4931 psi
Hydraulic Cycle Time - Rackback - - - 2.2 s
Relief Pressure - Tilt Cylinder - 3rd Function Maximum Working Pressure - - - 3046 psi
Hydraulic Cycle Time - Raise, Ground Level to Maximum Lift - - - 5.2 s
Relief Pressure - Tilt Cylinder - 4th Function Maximum Working Pressure - - - 3046 psi
Maximum Flow - Implement Pump - 4th Function, Maximum Flow - - - 24 gpm
Maximum Flow - Implement Pump - 3rd Function, Maximum Flow - - - 24 gpm
Hydraulic Cycle Time - Float Down, Maximum Lift to Ground Level - - - 3.7 s
Maximum Flow - Implement Pump - - - 32 gpm

Tires

Note (2) - - - In certain applications, the loader’s productive capabilities may exceed the tire’s tonnes-km/h (ton-mph) capabilities.
Standard Size - - - 15.5 R25 L2 XTLA
Other Choices Include - - - 17.5 R25 L2 XTLA; 15.5 R25 L3 XHA2; 17.5 R25 L3 XHA2; 17.5-25 L2/L3 SGL; 17.5-25 L3 HRL D/L-3A; 17.5 R25 L2 Snow
Note (3) - - - Caterpillar recommends that you consult a tire supplier to evaluate all conditions before selecting a tire model.
Note (1) - - - Other tire choices are available. Contact your Cat dealer for details.
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