988 GC Wheel Loader
The Cat® 988 GC Wheel Loader helps you move more material at a lower cost per hour for a faster return on your investment. This machine offers significant fuel savings and up to 10% lower owning and operating cost than the 988K.
| Operating Weight | 53006 kg |
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| Bucket Capacity Range | 6.4-7.6 m3 (8.3-10 yd3) |
| Cat Truck Match - High Lift | 772/773/775 |
| Rated Payload - Quarry Face | 11.3 t |
| Bucket Capacities | 6.4-7.6 m3 (8.3-10 yd3) |
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| Engine Model | Cat® C15 |
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| Engine Power - ISO 14396 | 335 kW |
| Rated Speed | 2000 |
| Peak Power Speed | 1600 |
| Peak Torque - 1,200 rpm - SAE J1995 | 2411 N·m |
| Torque Rise | 16% |
| Bore | 137 mm |
| Stroke | 171.5 mm |
| Displacement | 15.2 l |
| Emissions | U.S. EPA Tier 4 Final, EU Stage V, and Japan 2014 |
| Gross Power - SAE J1995 | 340 kW |
| Net Power - SAE J1349 | 278 kW |
| Forward - 1 | 7.3 km/h |
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| Forward - 2 | 12.2 km/h |
| Reverse - 1 | 7.6 km/h |
| Reverse - 2 | 13.6 km/h |
| Direct Drive - Reverse 4 | 40.8 km/h |
| Direct Drive - Forward 4 | 39 km/h |
| Direct Drive - Forward 1 | Lock-up disabled |
| Direct Drive - Forward 2 | 12.7 km/h |
| Direct Drive - Forward 3 | 22 km/h |
| Direct Drive - Reverse 1 | Lock-up disabled |
| Direct Drive - Reverse 2 | 14.1 km/h |
| Direct Drive - Reverse 3 | 25 km/h |
| Transmission Type | Cat planetary power shift |
| Front | Fixed |
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| Oscillation Angle | +/-12.5° |
| Rear | Trunnion |
| Lift/Tilt System - Circuit | EH - Load Sense |
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| Lift/Tilt System | 2X x 145 cc Variable displacement piston |
| Relief Valve Setting - Lift/Tilt | 31700 kPa |
| Pilot System | Variable displacement piston |
| Maximum Flow at 2,165 rpm | 600 l/min |
| 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) |
| Tilt Cylinder - Stroke | 685 mm |
| Relief Valve Setting - Steering | 27600 kPa |
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| Total Steering Angle | 70° |
| Steering Cycle Times - High Idle | 3 s |
| Steering Cycle Times - Low Idle | 5.2 s |
| Maximum Flow | 200 l/min |
| Steering System - Circuit | Pilot, load sensing |
| Steering System - Pump | Piston, variable displacement |
| Fuel Tank | 535 l |
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| Cooling System | 101 l |
| Transmission | 75 l |
| Differential - Final Drives - Front | 186 l |
| Note | Cat U.S. EPA Tier 4 Final, EU Stage V, and Japan 2014 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)* - 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. *Engines with no aftertreatment devices can use higher blends, up to 100% biodiesel. **For use of blends higher than 20% biodiesel, consult your Cat dealer |
| Differential - Final Drives - Rear | 170 l |
| Engine Crankcase | 34 l |
| Diesel Exhaust Fluid Tank | 21 l |
| Brakes | ISO 3450:2011 |
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| Operator Sound Level (ISO 6396) | 72 dB(A) |
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| Machine Sound Level (ISO 6395) | 110 dB(A) |
| Note (1) | The operator sound pressure level was measured according to the test procedures and conditions specified in ISO 6396:2008. The measurement was conducted at 70 percent of the maximum engine cooling fan speed. |
| Note (2) | 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. |
| Note (3) | The machine sound power level was measured according to the test procedures and conditions specified in ISO 6395:2008. The measurement was conducted at 70 percent of the maximum engine cooling fan speed. |
| Air Conditioning | The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1430). The system contains 1.8 kg of refrigerant which has a CO2 equivalent of 2.574 metric tonnes. |
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| Dump | 3 s |
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| Lower Float Down | 4.6 s |
| Rack Back | 3.8 s |
| Raise | 7.5 s |
| Total Hydraulic Cycle Time - Empty Bucket | 18.9 s |
| ROPS/FOPS | ROPS/FOPS meet ISO 3471:2008 and ISO 3449:2005 Level II standards |
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| Ground to Top of ROPS | 4100 mm |
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| Ground to Top of Exhaust Stacks | 4060 mm |
| Ground to Top of Hood | 3270 mm |
| Rear Axle - Centerline to Bumper | 3132 mm |
| Front Axle Centerline to Bucket Tip | 4773 mm |
| Wheel Base | 3810 mm |
| Maximum Overall Length | 12042 mm |
| Ground to Lower Hitch Clearance | 459 mm |
| Clearance at Maximum Lift | 3732 mm |
| B-Pin Height - Maximum Lift | 5755 mm |
| Maximum Overall Height - Bucket Raised | 7582 mm |
| Reach - Maximum Lift | 2342 mm |
| Note | Specifications are calculated with 6.9 m3 (9.0 yd3 ) rock bucket equipped with Michelin XLDD1 35/65 R33 tires. |
| Recyclability | 96% |
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