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Caterpillar 988K XE Wheel Loader Specs

The Caterpillar 988K XE is a large wheel loader designed for high-production material handling in mining, quarry, and heavy construction applications. It uses Caterpillar's electric drive system to deliver efficient power transfer, responsive control, and reduced fuel consumption compared with conventional mechanical drive loaders. The 988K XE is commonly configured with a large-capacity bucket, reinforced frame, and heavy-duty axles for demanding loading cycles. Typical uses include truck loading, stockpiling, face loading, and bulk material movement. As part of the Caterpillar wheel loader lineup, the 988K XE is built for durability, serviceability, and consistent performance in severe operating conditions.


General Specifications

Caterpillar 988K XE Wheel Loader General Specifications specifications
Breakout Force 98,421.00 lbs ft (133,439.20 nm) — Starting 2023 Model Year
Bucket Capacity 6.2 - 17 (4.7 - 13) — Starting 2024 Model Year
Engine C18 — Starting 2023 Model Year
Engine Power 541 (403) — Starting 2019 Model Year
Engine type Cat C18 — Starting 2024 Model Year
Full-Turn Tip Load 79,435.00 lbs (36,031.15 kg) — Starting 2021 Model Year
Full-Turn Tipping Load 79,435.00 lbs (36,031.15 kg) — Starting 2023 Model Year
Max Dump Height 11.3 (3.4) — Starting 2019 Model Year
Net Power 538.00 hp (401.19 kw) — Starting 2023 Model Year
Operating Weight 116,362.00 lbs (52,780.98 kg) — Starting 2023 Model Year
Tip Load 86,941 39,436) — Starting 2024 Model Year
Travel Speed 21.6 / 14.4 mph — Starting 2024 Model Year
Travel Speed(Fwd/Rev) 21.6 / 14.4 mph — Starting 2021 Model Year

Axles

Caterpillar 988K XE Wheel Loader Axles specifications
Front Fixed
Oscillation Angle 13 degrees
Rear Trunnion

Brakes

Caterpillar 988K XE Wheel Loader Brakes specifications
Brakes ISO 3450:2011

Bucket

Caterpillar 988K XE Wheel Loader Bucket specifications
Bucket Capacities 17.00 cu yd (13.00 cu m)

Engine

Caterpillar 988K XE Wheel Loader Engine specifications
Bore 5.70 in (14.48 cm)
Displacement 1,105.00 cu in (18,107.75 cu cm)
Emissions U.S. EPA Tier 4 Final/EU Stage IV
Engine Model Cat C18 ACERT
Gross Power - ISO 14396 580.00 hp (432.51 kw)
Net Power 541.00 hp (403.43 kw)
Net Power - SAE J1349 541.00 hp (403.43 kw)
Peak Power Speed - 1,500 rpm - Gross - ISO 14396 580.00 hp (432.51 kw)
Peak Power Speed - 1,500 rpm - Gross - SAE J1995 588.00 hp (438.48 kw)
Peak Power Speed - 1,500 rpm - Net Power - SAE J1349 541.00 hp (403.43 kw)
Rated Speed 1700 rpm
Stroke 7.20 in (18.29 cm)
Torque Rise 58%

Hydraulic Cycle Times

Caterpillar 988K XE Wheel Loader Hydraulic Cycle Times specifications
Dump 2.2 seconds
Lower Float Down 3.5 seconds
Rack Back 4.5 seconds
Raise 8 seconds
Total Hydraulic Cycle Time 18.2 seconds

Hydraulic System - Lift/Tilt

Caterpillar 988K XE Wheel Loader Hydraulic System - Lift/Tilt specifications
Lift Cylinder - Bore 8.70 in (22.10 cm)
Lift Cylinder - Stroke 41.30 in (104.90 cm)
Lift/Tilt System - Circuit EH-Positive Flow Control Flow Sharing
Lift/Tilt System - Pump Variable displacement piston
Relief Valve Setting - Lift/Tilt 4757 psi
Tilt Cylinder - Bore 8.70 in (22.10 cm)
Tilt Cylinder - Stroke 27.00 in (68.58 cm)

Hydraulic System - Steering

Caterpillar 988K XE Wheel Loader Hydraulic System - Steering specifications
Steering Cut Off Pressure 4351 psi
Steering Cycle Times - High Idle 3.4 seconds
Steering Cycle Times - Low Idle 5.6 seconds
Steering System - Circuit Pilot load sensing
Steering System - Pump Piston variable displacement

Operating Specifications

Caterpillar 988K XE Wheel Loader Operating Specifications specifications
Bucket Capacity Range 6.2 - 17 yd
Operating Weight 116,362.00 lbs (52,780.98 kg)

Service Refill Capacities

Caterpillar 988K XE Wheel Loader Service Refill Capacities specifications
Diesel Exhaust Fluid Tank 8.70 gal (32.93 l)
Differential - Final Drives - Front 49.00 gal (185.47 l)
Differential - Final Drives - Rear 49.00 gal (185.47 l)
Engine Crankcase 16.00 gal (60.56 l)
Fuel Tank 147.00 gal (556.40 l)
Transmission 16.00 gal (60.56 l)

Transmission

Caterpillar 988K XE Wheel Loader Transmission specifications
Transmission Type Cat switched reluctance electric drive
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