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Caterpillar 988 XE Wheel Loader Specs

General Specifications

Caterpillar 988 XE Wheel Loader General Specifications specifications
Bucket Capacity 6.2 - 17 — Starting 2025 Model Year
Engine Power Net 580.00 hp (432.51 kw) — Starting 2025 Model Year
Engine type Cat C18 — Starting 2025 Model Year
Operating Weight 116,362.00 lbs (52,780.98 kg) — Starting 2025 Model Year
OperatingWeight 116,362.00 lbs (52,780.98 kg) — Starting 2026 Model Year
Tip Load 86,941 39,436) — Starting 2025 Model Year
Travel Speed (Fwd/Rev) 21.6 / 14.4 mph — Starting 2025 Model Year

Air Conditioning System

Caterpillar 988 XE Wheel Loader Air Conditioning System specifications
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). — Starting 2026 Model Year

Axles

Caterpillar 988 XE Wheel Loader Axles specifications
Front Fixed — Starting 2026 Model Year
Oscillation Angle 13 degrees — Starting 2026 Model Year
Rear Trunnion — Starting 2026 Model Year

Brakes

Caterpillar 988 XE Wheel Loader Brakes specifications
Brakes ISO 3450:2011 — Starting 2026 Model Year

Dimensions (Approximate) - High Lift

Caterpillar 988 XE Wheel Loader Dimensions (Approximate) - High Lift specifications
B-Pin Height - Maximum Lift 19.30 ft (5.88 m) — Starting 2026 Model Year
Clearance at Maximum Lift 13.30 ft (4.05 m) — Starting 2026 Model Year
Front Axle Centerline to Bucket Tip 15.30 ft (4.66 m) — Starting 2026 Model Year
Ground to Bumper Clearance 3.10 ft (0.94 m) — Starting 2026 Model Year
Ground to Center of Axles 3.20 ft (0.98 m) — Starting 2026 Model Year
Ground to Lower Hitch Clearance 1.90 ft (0.58 m) — Starting 2026 Model Year
Ground to Top of Exhaust Stacks 14.80 ft (4.51 m) — Starting 2026 Model Year
Ground to Top of Hood 10.90 ft (3.32 m) — Starting 2026 Model Year
Ground to Top of ROPS 13.80 ft (4.21 m) — Starting 2026 Model Year
Maximum Overall Height - Bucket Raised 25.80 ft (7.86 m) — Starting 2026 Model Year
Maximum Overall Length 40.70 ft (12.41 m) — Starting 2026 Model Year
Reach - Maximum Lift 6.80 ft (2.07 m) — Starting 2026 Model Year
Rear Axle - Centerline to Bumper 10.50 ft (3.20 m) — Starting 2026 Model Year
Wheel Base 14.90 ft (4.54 m) — Starting 2026 Model Year

Dimensions (Approximate) - Standard Lift

Caterpillar 988 XE Wheel Loader Dimensions (Approximate) - Standard Lift specifications
B-Pin Height - Maximum Lift 18.00 ft (5.49 m) — Starting 2026 Model Year
Clearance at Maximum Lift 11.90 ft (3.63 m) — Starting 2026 Model Year
Front Axle Centerline to Bucket Tip 14.00 ft (4.27 m) — Starting 2026 Model Year
Ground to Bumper Clearance 3.10 ft (0.94 m) — Starting 2026 Model Year
Ground to Center of Axles 3.20 ft (0.98 m) — Starting 2026 Model Year
Ground to Lower Hitch Clearance 1.90 ft (0.58 m) — Starting 2026 Model Year
Ground to Top of Exhaust Stacks 14.80 ft (4.51 m) — Starting 2026 Model Year
Ground to Top of Hood 10.90 ft (3.32 m) — Starting 2026 Model Year
Ground to Top of ROPS 13.80 ft (4.21 m) — Starting 2026 Model Year
Maximum Overall Height - Bucket Raised 24.50 ft (7.47 m) — Starting 2026 Model Year
Maximum Overall Length 39.30 ft (11.98 m) — Starting 2026 Model Year
Reach - Maximum Lift 6.50 ft (1.98 m) — Starting 2026 Model Year
Rear Axle - Centerline to Bumper 10.50 ft (3.20 m) — Starting 2026 Model Year
Wheel Base 14.90 ft (4.54 m) — Starting 2026 Model Year

Dimensions - Millyard Linkage

Caterpillar 988 XE Wheel Loader Dimensions - Millyard Linkage specifications
Dump Angle at Maximum Lift -39.4 degrees — Starting 2026 Model Year
Fork Height at Maximum Lift 17.20 ft (5.24 m) — Starting 2026 Model Year
Fork Height with Level Arms 8.10 ft (2.47 m) — Starting 2026 Model Year
Fork Top Clamp Opening 13.10 ft (3.99 m) — Starting 2026 Model Year
Front Axle Centerline to Fork Tip 16.50 ft (5.03 m) — Starting 2026 Model Year
Ground to Bumper Clearance 3.10 ft (0.94 m) — Starting 2026 Model Year
Ground to Center of Front Axle 3.20 ft (0.98 m) — Starting 2026 Model Year
Ground to Lower Hitch Clearance 1.90 ft (0.58 m) — Starting 2026 Model Year
Ground to Top of Exhaust Stacks 13.80 ft (4.21 m) — Starting 2026 Model Year
Ground to Top of Hood 10.90 ft (3.32 m) — Starting 2026 Model Year
Ground to Top of ROPS 13.80 ft (4.21 m) — Starting 2026 Model Year
Hinge Pin Height at Maximum Lift 16.10 ft (4.91 m) — Starting 2026 Model Year
Maximum Overall Length 41.90 ft (12.77 m) — Starting 2026 Model Year
Rear Axle - Centerline to Bumper 10.50 ft (3.20 m) — Starting 2026 Model Year
Wheel Base 14.90 ft (4.54 m) — Starting 2026 Model Year

Engine

Caterpillar 988 XE Wheel Loader Engine specifications
Bore 5.70 in (14.48 cm) — Starting 2026 Model Year
Displacement 1,105.00 cu in (18,107.75 cu cm) — Starting 2026 Model Year
Engine Model Cat® C18 — Starting 2026 Model Year
Engine Power - ISO 14396:2002 580.00 hp (432.51 kw) — Starting 2026 Model Year
Gross Power - SAE J1995:2014 588.00 hp (438.48 kw) — Starting 2026 Model Year
Net Power - SAE J1349:2011 538.00 hp (401.19 kw) — Starting 2026 Model Year
Peak Power Speed 1,500 rpm — Starting 2026 Model Year
Peak Torque - 1,200 rpm 2,230.00 lbs ft (3,023.43 nm) — Starting 2026 Model Year
Rated Speed 1,700 rpm — Starting 2026 Model Year
Stroke 7.20 in (18.29 cm) — Starting 2026 Model Year
Torque Rise 58% — Starting 2026 Model Year

Hydraulic Cycle Times

Caterpillar 988 XE Wheel Loader Hydraulic Cycle Times specifications
Dump 2.2 s — Starting 2026 Model Year
Lower Float Down 3.5 s — Starting 2026 Model Year
Rack Back 4.5 s — Starting 2026 Model Year
Raise 8 s — Starting 2026 Model Year
Total Hydraulic Cycle Time 18.2 s — Starting 2026 Model Year

Hydraulic System - Lift/Tilt

Caterpillar 988 XE Wheel Loader Hydraulic System - Lift/Tilt specifications
Lift Cylinder - Bore 8.70 in (22.10 cm) — Starting 2026 Model Year
Lift Cylinder - Stroke 41.30 in (104.90 cm) — Starting 2026 Model Year
Lift/Tilt System - Circuit EH-Positive Flow Control, Flow Sharing — Starting 2026 Model Year
Lift/Tilt System - Pump Variable displacement piston — Starting 2026 Model Year
Maximum Flow at 1,400-1,600 rpm 153.00 gpm (579.11 lpm) — Starting 2026 Model Year
Relief Valve Setting - Lift/Tilt 4757 psi — Starting 2026 Model Year
Tilt Cylinder - Bore 8.70 in (22.10 cm) — Starting 2026 Model Year
Tilt Cylinder - Stroke 27.00 in (68.58 cm) — Starting 2026 Model Year

Hydraulic System - Steering

Caterpillar 988 XE Wheel Loader Hydraulic System - Steering specifications
Maximum Flow at 1,400-1,600 rpm 71.30 gpm (269.87 lpm) — Starting 2026 Model Year
Steering Cut Off Pressure 4351 psi — Starting 2026 Model Year
Steering Cycle Times - High Idle 3.4 s — Starting 2026 Model Year
Steering Cycle Times - Low Idle 5.6 s — Starting 2026 Model Year
Steering System - Circuit Pilot, load sensing — Starting 2026 Model Year
Steering System - Pump Piston, variable displacement — Starting 2026 Model Year
Total Steering Angle 86 degrees — Starting 2026 Model Year

Operating Specifications

Caterpillar 988 XE Wheel Loader Operating Specifications specifications
Bucket Capacity Range 4.7-13 m3 (6.2-17 yd3) — Starting 2026 Model Year
Operating Weight 116,362.00 lbs (52,780.98 kg) — Starting 2026 Model Year
Rated Payload - Loose Material 16.00 t (16,000.00 kg) — Starting 2026 Model Year
Rated Payload - Quarry Face 12.50 t (12,500.00 kg) — Starting 2026 Model Year

Operator's Cab

Caterpillar 988 XE Wheel Loader Operator's Cab specifications
ROPS/FOPS ROPS/FOPS meet ISO 3471:2008 and ISO 3449:2005 Level II standards — Starting 2026 Model Year

Service Refill Capacities

Caterpillar 988 XE Wheel Loader Service Refill Capacities specifications
Cooling System - Jacket Water 30.00 gal (113.55 l) — Starting 2026 Model Year
Cooling Systems - Power Train 8.00 gal (30.28 l) — Starting 2026 Model Year
Diesel Exhaust Fluid Tank 8.70 gal (32.93 l) — Starting 2026 Model Year
Differential - Final Drives - Front 49.00 gal (185.47 l) — Starting 2026 Model Year
Differential - Final Drives - Rear 49.00 gal (185.47 l) — Starting 2026 Model Year
Engine Crankcase 16.00 gal (60.56 l) — Starting 2026 Model Year
Fuel Tank 147.00 gal (556.40 l) — Starting 2026 Model Year
Hydraulic System - Implement/Steering 126.00 gal (476.91 l) — Starting 2026 Model Year
Transmission 16.00 gal (60.56 l) — Starting 2026 Model Year

Sound Performance - Tier 3 / Stage Iiia

Caterpillar 988 XE Wheel Loader Sound Performance - Tier 3 / Stage Iiia specifications
Machine Sound Power Level (ISO 6395:2008) 110 dB(A) — Starting 2026 Model Year
Machine Sound Power Level (ISO 6395:2008)** 110 dB(A) — Starting 2026 Model Year
Operator Sound Pressure Level (ISO 6396:2008) 72 dB(A) — Starting 2026 Model Year
Operator Sound Pressure Level (ISO 6396:2008)* 72 dB(A) — Starting 2026 Model Year

Sound Performance - Tier 4 Final / Stage V

Caterpillar 988 XE Wheel Loader Sound Performance - Tier 4 Final / Stage V specifications
Machine Sound Power Level (ISO 6395:2008) 109 dB(A) — Starting 2026 Model Year
Machine Sound Power Level (ISO 6395:2008)** 109 dB(A) — Starting 2026 Model Year
Operator Sound Pressure Level (ISO 6396:2008) 72 dB(A) — Starting 2026 Model Year
Operator Sound Pressure Level (ISO 6396:2008)* 72 dB(A) — Starting 2026 Model Year

Transmission

Caterpillar 988 XE Wheel Loader Transmission specifications
Forward 1 (virtual) 4.30 mph (6.92 kph) — Starting 2026 Model Year
Forward 2 (virtual) 7.00 mph (11.27 kph) — Starting 2026 Model Year
Forward 3 (virtual) 13.80 mph (22.21 kph) — Starting 2026 Model Year
Forward 4 (virtual) 20.00 mph (32.19 kph) — Starting 2026 Model Year
Reverse 1 (virtual) 4.30 mph (6.92 kph) — Starting 2026 Model Year
Reverse 2 (virtual) 7.00 mph (11.27 kph) — Starting 2026 Model Year
Reverse 3 (virtual) 17.50 mph (28.16 kph) — Starting 2026 Model Year
Transmission Type Cat switched reluctance electric drive — Starting 2026 Model Year
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