Caterpillar 938 Wheel Loader Specs

Category: Wheel Loaders ➔
Manufacturer: Caterpillar ➔
Model: 938 ➔

The Caterpillar 938 is a wheel loader designed for material handling, stockpiling, loading, and general construction applications. It is part of Caterpillar's medium wheel loader lineup and is commonly used in aggregate yards, construction sites, waste handling, agriculture, and industrial material movement. The 938 typically features a front-mounted bucket, articulated steering, and a diesel powertrain configured for efficient loading cycles and maneuverability in confined areas. Depending on model year and configuration, it may include hydraulic quick couplers, multiple bucket options, and operator comfort features. The Caterpillar 938 is recognized for versatility, productivity, and compatibility with a range of attachments.

General Specifications

Caterpillar 938 Wheel Loader General Specifications specifications
Bucket Capacity	2.5 - 6.5 - Starting 2025
Engine Power	188 (140) - Starting 2024
Engine Power Net	188.00 hp (140.19 kw) - Starting 2025
Engine type	Cat C7.1 - Starting 2024
Operating Weight	35,528.00 lbs (16,115.25 kg) - Starting 2025
OperatingWeight	35,528.00 lbs (16,115.25 kg) - Starting 2026
Tip Load	26,886.00 lbs (12,195.30 kg) - Starting 2025
Travel Speed	25 / 25 mph - Starting 2024
Travel Speed (Fwd/Rev)	25 / 25 mph - Starting 2025

Air Conditioning System

Caterpillar 938 Wheel Loader Air Conditioning System specifications
Air Conditioning	The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1430). The system contains 1.9 kg (4.2 lb) of refrigerant which has a CO2 equivalent of 2.717 metric tonnes (2.99 tons). - Starting 2026

Axles

Caterpillar 938 Wheel Loader Axles specifications
Front	Fixed; Locking differential (standard) - Starting 2026
Rear	Oscillating ± 11 degrees; Open differential (standard); Limited slip differential (optional) - Starting 2026

Buckets

Caterpillar 938 Wheel Loader Buckets specifications
Bucket Capacities	1.9-5 m3 (2.5-6.5 yd3) - Starting 2026

Cab

Caterpillar 938 Wheel Loader Cab specifications
FOPS	ISO 3449:2005 LEVEL II - Starting 2026
ROPS	ISO 3471:2008 - Starting 2026

Dimensions

Caterpillar 938 Wheel Loader Dimensions specifications
Height	10.83 ft (3.30 m)
Length	24.25 ft (7.39 m)
Weight	30,000.00 lbs (13,607.79 kg)
Width	9.00 ft (2.74 m)

Dimensions With Bucket - High Lift

Caterpillar 938 Wheel Loader Dimensions With Bucket - High Lift specifications
Articulation Angle	40 degrees - Starting 2026
Carry Height - Bucket Pin	2.00 ft (0.61 m) - Starting 2026
Clearance - Bucket at 45°*	11.16 ft (3.40 m) - Starting 2026
Clearance - Level Bucket**	13.83 ft (4.22 m) - Starting 2026
Clearance - Load over Height**	11.66 ft (3.55 m) - Starting 2026
Departure Angle	33 degrees - Starting 2026
Dig Depth**	5.25 in (13.33 cm) - Starting 2026
Dump Angle at Full Lift	47 degrees - Starting 2026
Height - Bucket Pin**	14.92 ft (4.55 m) - Starting 2026
Height - Ground Clearance**	1.25 ft (0.38 m) - Starting 2026
Height - Ground to Axle Center**	2.25 ft (0.69 m) - Starting 2026
Height - Ground to Beacon**	12.17 ft (3.71 m) - Starting 2026
Height - Ground to Cab**	10.92 ft (3.33 m) - Starting 2026
Height - Overall**	19.20 ft (5.85 m) - Starting 2026
Length - Hitch to Front Axle	5.00 ft (1.52 m) - Starting 2026
Length - Overall*	27.58 ft (8.41 m) - Starting 2026
Length - Rear Axle to Bumper	6.42 ft (1.96 m) - Starting 2026
Length - Wheel Base	10.00 ft (3.05 m) - Starting 2026
Operating Weight	36,210.00 lbs (16,424.60 kg) - Starting 2026
Rack Angle at Carry	48 degrees - Starting 2026
Rack Angle at Full Lift	53 degrees - Starting 2026
Reach - Bucket at 45°*	4.66 ft (1.42 m) - Starting 2026
Turning Radius - Inside of Tires	9.33 ft (2.84 m) - Starting 2026
Turning Radius - Outside of Tires	18.16 ft (5.54 m) - Starting 2026
Turning Radius - Over Bucket	21.25 ft (6.48 m) - Starting 2026
Width - Bucket	9.00 ft (2.74 m) - Starting 2026
Width - Over Tires	8.83 ft (2.69 m) - Starting 2026
Width - Tread Center	6.83 ft (2.08 m) - Starting 2026

Dimensions With Bucket - Standard Lift

Caterpillar 938 Wheel Loader Dimensions With Bucket - Standard Lift specifications
Articulation Angle	40 degrees - Starting 2026
Carry Height - Bucket Pin	1.33 ft (0.41 m) - Starting 2026
Clearance - Bucket at 45°*	9.30 ft (2.83 m) - Starting 2026
Clearance - Level Bucket**	11.90 ft (3.63 m) - Starting 2026
Clearance - Load over Height**	11.00 ft (3.35 m) - Starting 2026
Departure Angle	33 degrees - Starting 2026
Dig Depth**	4.00 in (10.16 cm) - Starting 2026
Dump Angle at Full Lift	49 degrees - Starting 2026
Height - Bucket Pin**	13.00 ft (3.96 m) - Starting 2026
Height - Ground Clearance**	1.25 ft (0.38 m) - Starting 2026
Height - Ground to Axle Center**	2.25 ft (0.69 m) - Starting 2026
Height - Ground to Beacon**	12.17 ft (3.71 m) - Starting 2026
Height - Ground to Cab**	10.92 ft (3.33 m) - Starting 2026
Height - Overall**	17.33 ft (5.28 m) - Starting 2026
Length - Hitch to Front Axle	5.00 ft (1.52 m) - Starting 2026
Length - Overall*	25.08 ft (7.64 m) - Starting 2026
Length - Rear Axle to Bumper	6.42 ft (1.96 m) - Starting 2026
Length - Wheel Base	10.00 ft (3.05 m) - Starting 2026
Operating Weight	35,528.00 lbs (16,115.25 kg) - Starting 2026
Rack Angle at Carry	43 degrees - Starting 2026
Rack Angle at Full Lift	54 degrees - Starting 2026
Reach - Bucket at 45°*	3.75 ft (1.14 m) - Starting 2026
Turning Radius - Inside of Tires	9.33 ft (2.84 m) - Starting 2026
Turning Radius - Outside of Tires	18.16 ft (5.54 m) - Starting 2026
Turning Radius - Over Bucket	20.08 ft (6.12 m) - Starting 2026
Width - Bucket	9.00 ft (2.74 m) - Starting 2026
Width - Over Tires	8.83 ft (2.69 m) - Starting 2026
Width - Tread Center	6.83 ft (2.08 m) - Starting 2026

Engine

Caterpillar 938 Wheel Loader Engine specifications
Bore	4.00 in (10.16 cm) - Starting 2026
Displacement	427.00 cu in (6,997.29 cu cm) - Starting 2026
Engine Model	Cat C7.1* - Starting 2026
Maximum Gross Torque - Engine Speed	1400 r/min - Starting 2026
Maximum Gross Torque - ISO 14396	664 ft·lbf - Starting 2026
Maximum Gross Torque - SAE J1995	673 ft·lbf - Starting 2026
Maximum Net Torque - ISO 9249	658 ft·lbf - Starting 2026
Maximum Net Torque - SAE J1349	656 ft·lbf - Starting 2026
Performance Mode	Automatic - Starting 2026
Rated Engine Power - ISO 14396	188.00 hp (140.19 kw) - Starting 2026
Rated Engine Power - ISO 14396 (DIN)	191 mhp - Starting 2026
Rated Gross Power - Rated Engine Speed	1800 r/min - Starting 2026
Rated Gross Power - SAE J1995	191.00 hp (142.43 kw) - Starting 2026
Rated Gross Power - SAE J1995 (DIN)	194 mhp - Starting 2026
Rated Net Power - ISO 9249 (DIN) at Minimum Fan Speed	188 mhp - Starting 2026
Rated Net Power - ISO 9249 at Minimum Fan Speed	185.00 hp (137.96 kw) - Starting 2026
Rated Net Power - SAE J1349 at Minimum Fan Speed	185.00 hp (137.96 kw) - Starting 2026
Stroke	5.00 in (12.70 cm) - Starting 2026

Loader Hydraulic System

Caterpillar 938 Wheel Loader Loader Hydraulic System specifications
Hydraulic Cycle Time - Dump (at Maximum Lift Height)	1.5 s - Starting 2026
Hydraulic Cycle Time - Float Down, Maximum Lift to Ground Level	2.7 s - Starting 2026
Hydraulic Cycle Time - Raise, Ground Level to Maximum Lift	5.5 s - Starting 2026
Hydraulic Cycle Time - Total Cycle Time	9.7 s - Starting 2026
Lift Cylinder: Standard Lift Linkage - Bore Diameter	4.70 in (11.94 cm) - Starting 2026
Lift Cylinder: Standard Lift Linkage - Rod Diameter	2.60 in (6.60 cm) - Starting 2026
Lift Cylinder: Standard Lift Linkage - Stroke	31.10 in (78.99 cm) - Starting 2026
Maximum Flow - Implement Pump	50.00 gpm (189.25 lpm) - Starting 2026
Maximum Flow - Implement Pump - 3rd Function Maximum Flow*	50.00 gpm (189.25 lpm) - Starting 2026
Maximum Flow - Implement Pump - 4th Function Maximum Flow*	42.00 gpm (158.97 lpm) - Starting 2026
Maximum Working Pressure - Implement Pump	4061 psi - Starting 2026
Relief Pressure - Tilt Cylinder	4351 psi - Starting 2026
Relief Pressure - Tilt Cylinder - 3rd and 4th Function Maximum Working Pressure	4061 psi - Starting 2026
Relief Pressure - Tilt Cylinder - 3rd and 4th Function Relief Pressure	4351 psi - Starting 2026
Tilt Cylinder: Standard Lift Linkage - Bore Diameter	5.90 in (14.99 cm) - Starting 2026
Tilt Cylinder: Standard Lift Linkage - Rod Diameter	3.50 in (8.89 cm) - Starting 2026
Tilt Cylinder: Standard Lift Linkage - Stroke	21.90 in (55.63 cm) - Starting 2026

Service Refill Capacities

Caterpillar 938 Wheel Loader Service Refill Capacities specifications
Cooling System	7.90 gal (29.90 l) - Starting 2026
Diesel Exhaust Fluid (DEF) Tank	5.00 gal (18.93 l) - Starting 2026
Engine Crankcase	5.30 gal (20.06 l) - Starting 2026
Front Axles	9.20 gal (34.82 l) - Starting 2026
Fuel Tank	51.50 gal (194.93 l) - Starting 2026
Hydraulic System - Including Tank	49.30 gal (186.60 l) - Starting 2026
Hydraulic Tank	23.80 gal (90.08 l) - Starting 2026
Rear Axles	9.20 gal (34.82 l) - Starting 2026
Transmission - Gear Box	2.20 gal (8.33 l) - Starting 2026

Sound

Caterpillar 938 Wheel Loader Sound specifications
Average Exterior Sound Pressure (ISO 6395:2008)	101 dB(A) - Starting 2026
Operator Sound Pressure (ISO 6396:2008)	68 dB(A) - Starting 2026

Steering

Caterpillar 938 Wheel Loader Steering specifications
Maximum Flow - Steering Pump	34.00 gpm (128.69 lpm) - Starting 2026
Maximum Working Pressure - Steering Pump	3500 psi - Starting 2026
Steering Cycle Times (Full Left to Full Right) - Maximum RPM: 90 RPM Steering Wheel Speed	2.3 s - Starting 2026
Steering Cycle Times (Full Left to Full Right) - Minimum RPM: Pump Flow Limited	3.1 s - Starting 2026
Steering Cylinder - Bore Diameter	3.10 in (7.87 cm) - Starting 2026
Steering Cylinder - Rod Diameter	2.00 in (5.08 cm) - Starting 2026
Steering Cylinder - Stroke	15.70 in (39.88 cm) - Starting 2026

Sustainability

Caterpillar 938 Wheel Loader Sustainability specifications
Recyclability	96% - Starting 2026

Tires

Caterpillar 938 Wheel Loader Tires specifications
Other Choices Include	20.5 R25, radial (L-2), 20.5 R25, radial (L-5), 20.5-25 12PR (L-2), 20.5-25 12PR (L-3), 20.5-25 16PR (L-5), 17.5 R25, radial (L-2), 17.5 R25, radial (L-3), 17.5 R25, radial (L-5), 550/65 R25 radial (L-3), Skidder/Agriculture - Starting 2026
Standard Size	20.5 R25, radial (L-3) - Starting 2026

Transmission

Caterpillar 938 Wheel Loader Transmission specifications
Forward and Reverse - Range 1*	1-13 km/h (0.6-8 mph) - Starting 2026
Forward and Reverse - Range 2	8.00 mph (12.87 kph) - Starting 2026
Forward and Reverse - Range 3	17.00 mph (27.36 kph) - Starting 2026
Forward and Reverse - Range 4	25.00 mph (40.23 kph) - Starting 2026

Weights

Caterpillar 938 Wheel Loader Weights specifications
Operating Weight	35,528.00 lbs (16,115.25 kg) - Starting 2026
Operating Weight - High Lift	36,210.00 lbs (16,424.60 kg) - Starting 2026