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988K XE Wheel Loader
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Learn more about the 988K XE Wheel Loader
Product Specs
- Engine
- Operating Specifications
- Transmission
- Hydraulic System - Lift/Tilt
- Service Refill Capacities
- Buckets
- Axles
- Brakes
- Hydraulic System - Steering
- Hydraulic Cycle Times
- Sound Performance - Tier 4 Final/Stage IV
- Dimensions (Approximate) - Standard Lift
- Dimensions (Approximate) - High Lift
- Air Conditioning System
- Operator's Cab
Engine
| Net Power | 541 HP |
| Engine Model | Cat® C18 ™ |
| Bore | 5.7 in |
| Stroke | 7.2 in |
| Displacement | 1105 in³ |
| Rated Speed | 1,700 rpm |
| Peak Torque @ (speed) - SAE J1995 | 2104 ft·lbf |
| Net Power - SAE J1349 | 541 HP |
| Torque Rise | 58% |
| Peak Power Speed - 1,500 rpm - Gross - ISO 14396 | 580 HP |
| Emissions | U.S. EPA Tier 4 Final/EU Stage V |
| Peak Power Speed - 1,500 rpm - Gross - SAE J1995 | 588 HP |
| Gross Power - ISO 14396 | 580 HP |
| Peak Power Speed | 1,500 rpm |
| Peak Power Speed - 1,500 rpm - Net Power - SAE J1349 | 541 HP |
Operating Specifications
| Operating Weight | 116362 lb |
| Rated Payload - Standard (Quarry Face) | 12.5 ton (US) |
| Rated Payload - Loose Material (Standard) | 16 ton (US) |
| Bucket Capacity Range | 4.7-13 m3 (6.2-17 yd3) |
| Operating Weight - Standard | 116362 lb |
| Operating Weight - High Lift | 119618 lb |
Transmission
| Transmission Type | Cat switched reluctance electric drive |
| Forward 4 (virtual) | 20 mile/h |
| Reverse 3 (virtual) | 17.5 mile/h |
| Forward 2 (virtual) | 7 mile/h |
| Reverse 2 (virtual) | 7 mile/h |
| Forward 3 (virtual) | 13.8 mile/h |
| Reverse 1 (virtual) | 4.3 mile/h |
| Forward 1 (virtual) | 4.3 mile/h |
Hydraulic System - Lift/Tilt
| Lift Cylinder - Bore | 8.7 in |
| Lift/Tilt System - Pump | Variable displacement piston |
| Lift/Tilt System - Circuit | EH-Positive Flow Control, Flow Sharing |
| Maximum Flow at 1,400-1,600 rpm | 153 gal/min |
| Lift Cylinder - Stroke | 41.3 in |
| Relief Valve Setting - Lift/Tilt | 4757 psi |
| Tilt Cylinder - Bore | 8.7 in |
| Tilt Cylinder - Stroke | 27 in |
Service Refill Capacities
| Fuel Tank | 147 gal (US) |
| Transmission | 16 gal (US) |
| Cooling System - Jacket Water | 30 gal (US) |
| Differential - Final Drives - Rear | 49 gal (US) |
| Cooling Systems - Power Train | 8 gal (US) |
| Differential - Final Drives - Front | 49 gal (US) |
| Engine Crankcase | 16 gal (US) |
| Diesel Exhaust Fluid Tank | 8.7 gal (US) |
| Hydraulic System - Implement/Steering | 126 gal (US) |
| Note | All non-road Tier 4 Final/Stage IV diesel engines are required to use: – The machine has the flexibility to run on either ultra-low-sulfur diesel fuel (ULSD with 15 ppm of sulfur or less) or up to B20 biodiesel when feedstock meeting ASTM D7467 specifications is blended with ULSD. – Cat DEO-ULS™ or oils that meet the Cat ECF-3, API CJ-4, and ACEA E9 specifications are required. – Only use DEF that meets ISO 22241-1 standards. |
Buckets
| Bucket Capacities | 4.7-13 m3 (6.2-17 yd3) |
Axles
| Front | Fixed |
| Rear | Trunnion |
| Oscillation Angle | 13° |
Brakes
| Brakes | ISO 3450:2011 |
Hydraulic System - Steering
| Steering Cycle Times - High Idle | 3.4 s |
| Total Steering Angle | 86° |
| Maximum Flow at 1,400-1,600 rpm | 71.3 gal/min |
| Steering Cycle Times - Low Idle | 5.6 s |
| Steering Cut Off Pressure | 4351 psi |
| Steering System - Circuit | Pilot, load sensing |
| Steering System - Pump | Piston, variable displacement |
| Steering | ISO 5010:2007 |
Hydraulic Cycle Times
| Rack Back | 4.5 s |
| Raise | 8 s |
| Lower Float Down | 3.5 s |
| Total Hydraulic Cycle Time | 18.2 s |
| Dump | 2.2 s |
Sound Performance - Tier 4 Final/Stage IV
| Machine Sound Level (ISO 6395) | 109 dB(A) |
| Operator Sound Level (ISO 6396) | 72 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. |
Dimensions (Approximate) - Standard Lift
| Rear Axle - Centerline to Bumper | 10.5 ft |
| Note | Specs are calculated with 6.9 m3 (9.0 yd3) rock bucket and Michelin XLDD2 with 978 mm (3.2 ft) centerline of rear axle height. |
| Maximum Overall Height - Bucket Raised | 24.5 ft |
| Ground to Top of ROPS | 13.7 ft |
| Ground to Top of Exhaust Stacks | 14.8 ft |
| Wheel Base | 14.9 ft |
| B-Pin Height - Maximum Lift | 18 ft |
| Reach - Maximum Lift | 6.8 ft |
| Maximum Overall Length | 40 ft |
| Ground to Bumper Clearance | 3.1 ft |
| Ground to Lower Hitch Clearance | 1.9 ft |
| Ground to Center of Axles | 3.2 ft |
| Front Axle Centerline to Bucket Tip | 14.7 ft |
| Clearance at Maximum Lift | 11.3 ft |
| Ground to Top of Hood | 10.9 ft |
Dimensions (Approximate) - High Lift
| Ground to Lower Hitch Clearance | 1.9 ft |
| B-Pin Height - Maximum Lift | 19.3 ft |
| Rear Axle - Centerline to Bumper | 10.5 ft |
| Clearance at Maximum Lift | 12.7 ft |
| Ground to Bumper Clearance | 3.1 ft |
| Ground to Top of Hood | 10.9 ft |
| Front Axle Centerline to Bucket Tip | 15.9 ft |
| Ground to Top of Exhaust Stacks | 14.8 ft |
| Reach - Maximum Lift | 7 ft |
| Maximum Overall Length | 41.3 ft |
| Wheel Base | 14.9 ft |
| Ground to Top of ROPS | 13.7 ft |
| Ground to Center of Axles | 3.2 ft |
| Note | Specs are calculated with 6.9 m3 (9.0 yd3) rock bucket and Michelin XLDD2 with 978 mm (3.2 ft) centerline of rear axle height. |
| Maximum Overall Height - Bucket Raised | 25.8 ft |
Air Conditioning System
| 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. |
Operator's Cab
| ROPS/FOPS | ROPS/FOPS meet ISO 3471:2008 and ISO 3449:2005 Level II standards |