Get a quote988 GC Wheel Loader
MOVE MORE MATERIAL EFFICIENTLY AND AT A LOW COST
More Comfort – More Performance – More Versatility
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OPTIMUM 50 TON TRUCK MATCH LOADER
Achieve even greater production with an optimized truck match to maximize the volume of material moved at the lowest operating cost per ton.
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UP TO 10% LOWER OWNING & OPERATING COST
Designed to reduce your service and maintenance costs with grouped service points and ground level access to the electrical service center.
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EASY TO OPERATE AND MAINTAIN
Enhanced operator controls deliver greater efficiency, productivity, and comfort.
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UP TO 5% LESS CO2 EMISSIONS
The 988 GC emits up to 5% less CO2 than the previous 988K.
Engine
Bore | 5.4 in |
Displacement | 927 inÂł |
Engine Model | Cat® C15 |
Gross Power - SAE J1995:2014 | 456 hp |
Net Power - SAE J1349:2011 | 448 hp |
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. |
Peak Power Speed | 1600 rpm |
Peak Torque (1,200 rpm) - SAE J1995:2014 | 1778 lbf·ft |
Rated Speed | 2000 rpm |
Stroke | 6.75 in |
Torque Rise | 16% |
Operating Specifications
Bucket Capacity Range | 6.4-7.6 m3 (8.3-10 yd3) |
Cat Truck Match - High Lift | 772/773/775 |
Operating Weight | 112426 lb |
Rated Payload - Quarry Face | 12.5 ton (US) |
Transmission
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 - 1 | 5 mile/h |
Forward - 2 | 8 mile/h |
Note | Travel speeds based on 35/65-R33 tires. |
Reverse - 1 | 5 mile/h |
Reverse - 2 | 8 mile/h |
Transmission Type | Cat planetary power shift |
Hydraulic System - Lift/Tilt
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) |
Lift/Tilt System - Circuit | EH - Load Sense |
Lift/Tilt System - Pump | Variable displacement piston |
Maximum Flow at 2,165 rpm | 159 gal/min |
Pilot System | Variable displacement piston |
Relief Valve Setting | 500 psi |
Relief Valve Setting - Lift/Tilt | 4598 psi |
Hydraulic Cycle Times
Dump | 3 s |
Lower Float Down | 4.6 s |
Rack Back | 3.8 s |
Raise | 7.5 s |
Total Hydraulic Cycle Time - Empty Bucket | 18.9 s |
Hydraulic System - Steering
Maximum Flow at 2,165 rpm | 52 gal/min |
Relief Valve Setting - Steering | 4000 psi |
Steering Cycle Times - High Idle | 3 s |
Steering Cycle Times - Low Idle | 5.2 s |
Steering System - Circuit | Pilot, load sensing |
Steering System - Pump | Piston, variable displacement |
Total Steering Angle | 70° |
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 contains 1.8 kg (3.9 lb) of refrigerant, which has a CO2 equivalent of 2.574 metric tonnes (2.837 tons). |
Axles
Front | Fixed |
Oscillation Angle | +/-12.5° |
Rear | Trunnion |
Brakes
Brakes | ISOÂ 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
Machine Sound Power Level (ISO 6395:2008) | 113 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. |
Operator Sound Pressure Level (ISO 6396:2008) | 73 dB(A) |
Operator Sound Pressure Level (ISO 6396:2008)* | 72 dB(A) |
Sound Performance - Tier 3 / Stage IIIA
Machine Sound Power Level (ISO 6395:2008) | 113 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. |
Operator Sound Pressure Level (ISO 6396:2008) | 74 dB(A) |
Operator Sound Pressure Level (ISO 6396:2008)* | 73 dB(A) |
Service Refill Capacities
Cooling System | 27 gal (US) |
Diesel Exhaust Fluid Tank | 5.5 gal (US) |
Differential - Final Drives - Front | 49 gal (US) |
Differential - Final Drives - Rear | 45 gal (US) |
Engine Crankcase | 9 gal (US) |
Fuel Tank | 141 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) *** - 100% renewable diesel, HVO (hydrotreated vegetable oil) and GTL (gas-to-liquid) fuels Refer to guidelines for successful application. Please consult your Cat dealer or “Caterpillar Machine Fluids Recommendations” (SEBU6250) for details. * While Caterpillar engines are compatible with these alternative fuels, some regions may not allow their use. ** Tailpipe greenhouse gas emissions from lower-carbon intensity fuels are essentially the same as traditional fuels. *** Engines with no aftertreatment devices are compatible with higher blends, up to 100% biodiesel (for use of blends higher than 20% biodiesel, consult your Cat dealer). |
Transmission | 20 gal (US) |
Dimensions (Approximate) - High Lift
B-Pin Height - Maximum Lift | 18.7 ft |
Clearance at Maximum Lift (45° Dump) | 12 ft |
Front Axle Centerline to Bucket Tip | 16.7 ft |
Ground to Center of Front Axle | 3.2 ft |
Ground to Fuel Tank Clearance | 2.2 ft |
Ground to Lower Hitch Clearance | 1.5 ft |
Ground to Top of Exhaust Stacks | 13.3 ft |
Ground to Top of Hood | 10.7 ft |
Ground to Top of ROPS | 13.5 ft |
Maximum Overall Height - Bucket Raised | 25 ft |
Maximum Overall Length | 39.5 ft |
Note | Specifications are calculated with 6.9 m3 (9.0 yd3 ) rock bucket equipped with Michelin XLDD1 35/65 R33 tires. |
Reach at Maximum Lift (45° Dump) | 7.7 ft |
Rear Axle - Centerline to Bumper | 10.3 ft |
Wheel Base | 12.5 ft |
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Engine
Bore | 5.4 in |
Displacement | 927 inÂł |
Engine Model | Cat® C15 |
Gross Power - SAE J1995:2014 | 456 hp |
Net Power - SAE J1349:2011 | 448 hp |
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. |
Peak Power Speed | 1600 rpm |
Peak Torque (1,200 rpm) - SAE J1995:2014 | 1778 lbf·ft |
Rated Speed | 2000 rpm |
Stroke | 6.75 in |
Torque Rise | 16% |
Operating Specifications
Bucket Capacity Range | 6.4-7.6 m3 (8.3-10 yd3) |
Cat Truck Match - High Lift | 772/773/775 |
Operating Weight | 112426 lb |
Rated Payload - Quarry Face | 12.5 ton (US) |
Transmission
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 - 1 | 5 mile/h |
Forward - 2 | 8 mile/h |
Note | Travel speeds based on 35/65-R33 tires. |
Reverse - 1 | 5 mile/h |
Reverse - 2 | 8 mile/h |
Transmission Type | Cat planetary power shift |
Hydraulic System - Lift/Tilt
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) |
Lift/Tilt System - Circuit | EH - Load Sense |
Lift/Tilt System - Pump | Variable displacement piston |
Maximum Flow at 2,165 rpm | 159 gal/min |
Pilot System | Variable displacement piston |
Relief Valve Setting | 500 psi |
Relief Valve Setting - Lift/Tilt | 4598 psi |
Hydraulic Cycle Times
Dump | 3 s |
Lower Float Down | 4.6 s |
Rack Back | 3.8 s |
Raise | 7.5 s |
Total Hydraulic Cycle Time - Empty Bucket | 18.9 s |
Hydraulic System - Steering
Maximum Flow at 2,165 rpm | 52 gal/min |
Relief Valve Setting - Steering | 4000 psi |
Steering Cycle Times - High Idle | 3 s |
Steering Cycle Times - Low Idle | 5.2 s |
Steering System - Circuit | Pilot, load sensing |
Steering System - Pump | Piston, variable displacement |
Total Steering Angle | 70° |
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 contains 1.8 kg (3.9 lb) of refrigerant, which has a CO2 equivalent of 2.574 metric tonnes (2.837 tons). |
Axles
Front | Fixed |
Oscillation Angle | +/-12.5° |
Rear | Trunnion |
Brakes
Brakes | ISOÂ 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
Machine Sound Power Level (ISO 6395:2008) | 113 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. |
Operator Sound Pressure Level (ISO 6396:2008) | 73 dB(A) |
Operator Sound Pressure Level (ISO 6396:2008)* | 72 dB(A) |
Sound Performance - Tier 3 / Stage IIIA
Machine Sound Power Level (ISO 6395:2008) | 113 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. |
Operator Sound Pressure Level (ISO 6396:2008) | 74 dB(A) |
Operator Sound Pressure Level (ISO 6396:2008)* | 73 dB(A) |
Service Refill Capacities
Cooling System | 27 gal (US) |
Diesel Exhaust Fluid Tank | 5.5 gal (US) |
Differential - Final Drives - Front | 49 gal (US) |
Differential - Final Drives - Rear | 45 gal (US) |
Engine Crankcase | 9 gal (US) |
Fuel Tank | 141 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) *** - 100% renewable diesel, HVO (hydrotreated vegetable oil) and GTL (gas-to-liquid) fuels Refer to guidelines for successful application. Please consult your Cat dealer or “Caterpillar Machine Fluids Recommendations” (SEBU6250) for details. * While Caterpillar engines are compatible with these alternative fuels, some regions may not allow their use. ** Tailpipe greenhouse gas emissions from lower-carbon intensity fuels are essentially the same as traditional fuels. *** Engines with no aftertreatment devices are compatible with higher blends, up to 100% biodiesel (for use of blends higher than 20% biodiesel, consult your Cat dealer). |
Transmission | 20 gal (US) |
Dimensions (Approximate) - High Lift
B-Pin Height - Maximum Lift | 18.7 ft |
Clearance at Maximum Lift (45° Dump) | 12 ft |
Front Axle Centerline to Bucket Tip | 16.7 ft |
Ground to Center of Front Axle | 3.2 ft |
Ground to Fuel Tank Clearance | 2.2 ft |
Ground to Lower Hitch Clearance | 1.5 ft |
Ground to Top of Exhaust Stacks | 13.3 ft |
Ground to Top of Hood | 10.7 ft |
Ground to Top of ROPS | 13.5 ft |
Maximum Overall Height - Bucket Raised | 25 ft |
Maximum Overall Length | 39.5 ft |
Note | Specifications are calculated with 6.9 m3 (9.0 yd3 ) rock bucket equipped with Michelin XLDD1 35/65 R33 tires. |
Reach at Maximum Lift (45° Dump) | 7.7 ft |
Rear Axle - Centerline to Bumper | 10.3 ft |
Wheel Base | 12.5 ft |