Operating Specifications
Operating Weight | 112426 lb 50996 kg |
Bucket Capacity Range | 6.4-7.6 m3 (8.3-10 yd3) 6.4-7.6 m3 (8.3-10 yd3) |
Rated Payload - Quarry Face | 12.5 ton (US) 11.3 t |
Cat Truck Match - High Lift | 772/773/775 772/773/775 |
Key Specs
The Cat® 988 GC Wheel Loader helps you move more material at a low cost per hour for a fast return on your investment. This machine offers significant fuel savings and up to 10% lower owning and operating cost than the 988K.
Achieve even greater production with an optimized truck match to maximize the volume of material moved at the lowest operating cost per ton.
Designed to reduce your service and maintenance costs with grouped service points and ground level access to the electrical service center.
Enhanced operator controls deliver greater efficiency, productivity, and comfort.
The 988 GC emits up to 5% less CO2 than the previous 988K.
Operating Weight | 112426 lb 50996 kg |
Bucket Capacity Range | 6.4-7.6 m3 (8.3-10 yd3) 6.4-7.6 m3 (8.3-10 yd3) |
Rated Payload - Quarry Face | 12.5 ton (US) 11.3 t |
Cat Truck Match - High Lift | 772/773/775 772/773/775 |
Engine Model | Cat® C15 Cat® C15 |
Rated Speed | 2000 rpm 2000 rpm |
Peak Power Speed | 1600 rpm 1600 rpm |
Gross Power - SAE J1995:2014 | 456 hp 340 kW |
Net Power - SAE J1349:2011 | 373 hp 278 kW |
Bore | 5.4 in 137 mm |
Stroke | 6.75 in 171.5 mm |
Displacement | 927 in³ 15.2 l |
Peak Torque (1,200 rpm) - SAE J1995:2014 | 1778 lbf·ft 2411 N·m |
Torque Rise | 16% 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. 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. |
Transmission Type | Cat planetary power shift Cat planetary power shift |
Forward - 1 | 5 mile/h 7.3 km/h |
Forward - 2 | 8 mile/h 12.2 km/h |
Reverse - 1 | 5 mile/h 7.6 km/h |
Reverse - 2 | 8 mile/h 13.6 km/h |
Direct Drive - Forward 1 | Lock-up disabled Lock-up disabled |
Direct Drive - Forward 2 | 8 mile/h 12.7 km/h |
Direct Drive - Forward 3 | 14 mile/h 22 km/h |
Direct Drive - Forward 4 | 24 mile/h 39 km/h |
Direct Drive - Reverse 1 | Lock-up disabled Lock-up disabled |
Direct Drive - Reverse 2 | 9 mile/h 14.1 km/h |
Direct Drive - Reverse 3 | 16 mile/h 25 km/h |
Direct Drive - Reverse 4 | 25.4 mile/h 40.8 km/h |
Note | Travel speeds based on 35/65-R33 tires. Travel speeds based on 35/65-R33 tires. |
Lift/Tilt System - Circuit | EH - Load Sense EH - Load Sense |
Lift/Tilt System - Pump | Variable displacement piston Variable displacement piston |
Maximum Flow at 2,165 rpm | 159 gal/min 600 l/min |
Relief Valve Setting - Lift/Tilt | 4598 psi 31700 kPa |
Cylinders, Double Acting - Lift, Bore and Stroke | 190 mm x 1216 mm (7.5 in x 48 in) 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) 170 mm x 722 mm (6.7 in x 28.4 in) |
Pilot System | Variable displacement piston Variable displacement piston |
Relief Valve Setting | 500 psi 3450 kPa |
Rack Back | 3.8 s 3.8 s |
Raise | 7.5 s 7.5 s |
Dump | 3 s 3 s |
Lower Float Down | 4.6 s 4.6 s |
Total Hydraulic Cycle Time - Empty Bucket | 18.9 s 18.9 s |
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 200 l/min |
Relief Valve Setting - Steering | 4000 psi 27600 kPa |
Total Steering Angle | 70° 70° |
Steering Cycle Times - High Idle | 3 s 3 s |
Steering Cycle Times - Low Idle | 5.2 s 5.2 s |
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). 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). |
Front | Fixed Fixed |
Rear | Trunnion Trunnion |
Oscillation Angle | +/-12.5° +/-12.5° |
Brakes | ISO 3450:2011 ISO 3450:2011 |
ROPS/FOPS | Rollover Protective Structure/Falling Objects Protective Structure (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 |
Operator Sound Pressure Level (ISO 6396:2008) | 73 dB(A) 73 dB(A) |
Machine Sound Power Level (ISO 6395:2008) | 113 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)** | 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. |
Operator Sound Pressure Level (ISO 6396:2008) | 74 dB(A) 74 dB(A) |
Machine Sound Power Level (ISO 6395:2008) | 113 dB(A) 113 dB(A) |
Operator Sound Pressure Level (ISO 6396:2008)* | 73 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. |
Fuel Tank | 141 gal (US) 535 l |
Cooling System | 27 gal (US) 101 l |
Engine Crankcase | 9 gal (US) 34 l |
Diesel Exhaust Fluid Tank | 5.5 gal (US) 21 l |
Transmission | 20 gal (US) 75 l |
Differential - Final Drives - Front | 49 gal (US) 186 l |
Differential - Final Drives - Rear | 45 gal (US) 170 l |
Hydraulic System Factory Fill | 94 gal (US) 355 l |
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). 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). |
Ground to Top of ROPS | 13.5 ft 4100 mm |
Ground to Top of Exhaust Stacks | 13.3 ft 4060 mm |
Ground to Top of Hood | 10.7 ft 3270 mm |
Ground to Fuel Tank Clearance | 2.2 ft 686 mm |
Rear Axle - Centerline to Bumper | 10.3 ft 3132 mm |
Front Axle Centerline to Bucket Tip | 16.7 ft 5100 mm |
Wheel Base | 12.5 ft 3810 mm |
Maximum Overall Length | 39.5 ft 12042 mm |
Ground to Lower Hitch Clearance | 1.5 ft 459 mm |
Ground to Center of Front Axle | 3.2 ft 978 mm |
Clearance at Maximum Lift (45° Dump) | 12 ft 3732 mm |
B-Pin Height - Maximum Lift | 18.7 ft 5755 mm |
Maximum Overall Height - Bucket Raised | 25 ft 7582 mm |
Reach at Maximum Lift (45° Dump) | 7.7 ft 2342 mm |
Note | Specifications are calculated with 6.9 m3 (9 yd3 ) rock bucket equipped with Michelin XLDD1 35/65 R33 tires. Specifications are calculated with 6.9 m3 (9 yd3 ) rock bucket equipped with Michelin XLDD1 35/65 R33 tires. |
Leverage Caterpillar connected data and security principles to improve efficiencies, increase productivity and make your business more profitable.
Rear Object Detection for wheel loaders is a two-part system providing enhanced blind spot awareness. Radar provides visual and audible alerts when objects enter a safety proximity zone, while a camera allows the operator to see what's behind the machine when reversing.
Rear Object Detection for wheel loaders is a two-part system providing enhanced blind spot awareness. Radar provides visual and audible alerts when objects enter a safety proximity zone, while a camera allows the operator to see what's behind the machine when reversing.
Cat® Inspect allows you to access your equipment data on your mobile device. This easy-to-use app lets you capture inspection data and integrates with your other Cat data systems, so you can keep a close eye on your fleet. More than one million inspections are completed each year, providing convenience and accountability to equipment owners.
Cat® Product Link™ wirelessly connects you to your equipment giving you valuable insight into how your machine or fleet is performing. Information such as location, hours, fuel usage, productivity, idle time, and diagnostic codes are made available through online web applications so that you can make timely, fact-based decisions to maximize efficiency, improve productivity, and lower the cost of owning and operating your fleet. Available with satellite or cellular connectivity.
Remote Flash sends an alert from your Cat dealer, prompting you to update the software on your machine. To minimize downtime, updates can be deployed while on the jobsite without having to wait for a dealer technician to arrive. Remote flash decreases maintenance time and keeps your asset running with maximum efficiency.
VisionLink® is a cloud-based software application that takes the guesswork out of fleet management with key insights to maximize performance - regardless of fleet size or equipment manufacturer. Receive equipment data seamlessly to your desktop or mobile device, all from a convenient centralized solution to make informed decisions at every turn.
Cat® Inspect allows you to access your equipment data on your mobile device. This easy-to-use app lets you capture inspection data and integrates with your other Cat data systems, so you can keep a close eye on your fleet. More than one million inspections are completed each year, providing convenience and accountability to equipment owners.
Cat® Product Link™ wirelessly connects you to your equipment giving you valuable insight into how your machine or fleet is performing. Information such as location, hours, fuel usage, productivity, idle time, and diagnostic codes are made available through online web applications so that you can make timely, fact-based decisions to maximize efficiency, improve productivity, and lower the cost of owning and operating your fleet. Available with satellite or cellular connectivity.
Remote Flash sends an alert from your Cat dealer, prompting you to update the software on your machine. To minimize downtime, updates can be deployed while on the jobsite without having to wait for a dealer technician to arrive. Remote flash decreases maintenance time and keeps your asset running with maximum efficiency.
VisionLink® is a cloud-based software application that takes the guesswork out of fleet management with key insights to maximize performance - regardless of fleet size or equipment manufacturer. Receive equipment data seamlessly to your desktop or mobile device, all from a convenient centralized solution to make informed decisions at every turn.
VisionLink® Productivity is an easy-to-use cloud-based platform that gathers and summarizes machine telematics and jobsite data from all your equipment. Actionable performance data is transmitted to the web platform for users to access anywhere, anytime via a mobile, tablet, or desktop device - on or off the jobsite.
VisionLink® Productivity is an easy-to-use cloud-based platform that gathers and summarizes machine telematics and jobsite data from all your equipment. Actionable performance data is transmitted to the web platform for users to access anywhere, anytime via a mobile, tablet, or desktop device - on or off the jobsite.
Caterpillar product brochures and other informational documents are available for your growing business.
988 GC Large Wheel Loader
988 GC Large Wheel Loader
988 GC Large Wheel Loader
988 GC Large Wheel Loader
988 GC Large Wheel Loader
988 GC Large Wheel Loader
Introduction Video – 988 GC Large Wheel Loader (YouTube)
Walkaround Video – 988 GC Large Wheel Loader (YouTube)
Customer Testimonial - 988 GC Large Wheel Loader (YouTube)