988K XE Wheel Loader
Cat® Large Wheel Loaders are designed with durability built in, ensuring maximum availability through multiple life cycles. With optimized performance and simplified serviceability, our machines allow you to move more material efficiently and safely at a lower cost per ton.
Introduced in 1963, the 988 has been the industry leader for over 50 years, built on a legacy of reliability, performance, safety, operator comfort, serviceability, and productivity. The 988K XE brings improved sustainability and maximum efficiency to this machine platform.
Engine
- Gross Power - SAE J1995
- 588 HP
- Engine Power - ISO 14396
- 580 HP
- Engine Model
- Cat® C18 ™
- Emissions
- U.S. EPA Tier 4 Final, EU Stage V, and Japan 2014
- Net Power - SAE J1349
- 538 HP
- Bore
- 5.7 in
- Stroke
- 7.2 in
- Displacement
- 1105 in²
- Peak Torque - 1,200 rpm - SAE J1995
- 2230 lb/ft
- Torque Rise
- 58%
Operating Specifications
- Operating Weight
- 116362 lb
- Operating Weight - Standard
- 116362 lb
- Operating Weight - High Lift
- 119618 lb
- Rated Payload - Loose Material (Standard)
- 16 ton (US)
- Rated Payload - Standard (Quarry Face)
- 12.5 ton (US)
- Bucket Capacity Range
- 4.7-13 m3 (6.2-17 yd3)
Buckets
- Bucket Capacities
- 4.7-13 m3 (6.2-17 yd3)
Transmission
- Transmission Type
- Cat switched reluctance electric drive
Service Refill Capacities
- Diesel Exhaust Fluid Tank
- 8.7 gal (US)
- Transmission
- 16 gal (US)
- Differential - Final Drives - Rear
- 49 gal (US)
- Fuel Tank
- 147 gal (US)
- Note
- All nonroad Tier 4 Final/Stage V 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). – Cat engines
- Engine Crankcase
- 16 gal (US)
- Differential - Final Drives - Front
- 49 gal (US)
Hydraulic System - Lift/Tilt
- Lift/Tilt System - Circuit
- EH-Positive Flow Control, Flow Sharing
- Lift/Tilt System - Pump
- Variable displacement piston
- Relief Valve Setting - Lift/Tilt
- 4757 psi
- Lift Cylinder - Bore
- 8.7 in
- Lift Cylinder - Stroke
- 41.3 in
- Tilt Cylinder - Bore
- 8.7 in
- Tilt Cylinder - Stroke
- 27 in
Hydraulic Cycle Times
- Rack Back
- 4.5 s
- Raise
- 8 s
- Dump
- 2.2 s
- Lower Float Down
- 3.5 s
- Total Hydraulic Cycle Time
- 18.2 s
Dimensions (Approximate) - High Lift
- Wheel Base
- 14.9 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 equiv
Axles
- Front
- Fixed
- Rear
- Trunnion
- Oscillation Angle
- 13°
Brakes
- Brakes
- ISO 3450:2011
Operator's Cab
- ROPS/FOPS
- ROPS/FOPS meet ISO 3471:2008 and ISO 3449:2005 Level II standards
Hydraulic System - Steering
- Steering System - Circuit
- Pilot, load sensing
- Steering System - Pump
- Piston, variable displacement
Hydraulics
- Steering Circuit (@ High Idle)
- 96% gal/min
