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938 Small Wheel Loader

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Product Description

The 938 Small Wheel Loader sets the standard for productivity, fuel efficiency, operator comfort and low operating costs. Experience the industry benchmark.

Specifications
Us
Metric
Engine
Rated Gross Power - SAE J1995
191 hp
143 kW
Engine Model
Cat C7.1*
Performance Mode
Automatic
Rated Gross Power - Rated Engine Speed
1800 r/min
1800 r/min
Rated Gross Power - SAE J1995 (DIN)
194 mhp
194 mhp
Rated Engine Power - ISO 14396
188 hp
140 kW
Rated Engine Power - ISO 14396 (DIN)
191 mhp
191 mhp
Rated Net Power - SAE J1349 at Minimum Fan Speed
185 hp
138 kW
Rated Net Power - ISO 9249 at Minimum Fan Speed
185 hp
138 kW
Rated Net Power - ISO 9249 (DIN) at Minimum Fan Speed
188 mhp
188 mhp
Maximum Gross Torque - Engine Speed
1400 r/min
1400 r/min
Maximum Gross Torque - SAE J1995
673 ft·lbf
912 N·m
Maximum Gross Torque - ISO 14396
664 ft·lbf
900 N·m
Maximum Net Torque - SAE J1349
656 ft·lbf
889 N·m
Maximum Net Torque - ISO 9249
658 ft·lbf
892 N·m
Displacement
427 in³
7.01 l
Bore
4 in
105 mm
Stroke
5 in
135 mm
Note
*Meets U.S EPA Tier 4 Final, EU Stage V off-highway, and Japan 2014 emission standards.
Note (1)
Advertised power is tested per the specified standard in effect at the time of manufacture
Note (2)
Net power ratings are tested at the reference conditions for the specified standard and denote power available at the flywheel when engine is equipped with alternator, air cleaner, emission components and fan at specified speed.
Note (3)
No derating required up to 3000 m (10,000 ft) altitude. Auto derate protects hydraulic and transmission systems.
Weights
Operating Weight
35528 lb
16115 kg
Operating Weight - High Lift
36210 lb
16425 kg
Buckets
Bucket Capacities
1.9-5.0 m3 (2.5-6.5 yd3)
Steering
Steering Cylinder - Bore Diameter
3.1 in
80 mm
Steering Cylinder - Rod Diameter
2 in
50 mm
Steering Cylinder - Stroke
15.7 in
399 mm
Maximum Flow - Steering Pump
34 gpm
130 L/min
Maximum Working Pressure - Steering Pump
3500 psi
24130 kPa
Steering Cycle Times (Full Left to Full Right) - Minimum RPM: Pump Flow Limited
3.1 s
3.1 s
Steering Cycle Times (Full Left to Full Right) - Maximum RPM: 90 RPM Steering Wheel Speed
2.3 s
2.3 s
Loader Hydraulic System
Maximum Flow - Implement Pump
50 gpm
190 L/min
Maximum Flow - Implement Pump - 3rd Function Maximum Flow*
50 gpm
190 L/min
Maximum Flow - Implement Pump - 4th Function Maximum Flow*
42 gpm
160 L/min
Maximum Working Pressure - Implement Pump
4061 psi
28000 kPa
Relief Pressure - Tilt Cylinder
4351 psi
30000 kPa
Relief Pressure - Tilt Cylinder - 3rd and 4th Function Maximum Working Pressure
4061 psi
28000 kPa
Relief Pressure - Tilt Cylinder - 3rd and 4th Function Relief Pressure
4351 psi
30000 kPa
Lift Cylinder: Standard Lift Linkage - Bore Diameter
4.7 in
120 mm
Lift Cylinder: Standard Lift Linkage - Rod Diameter
2.6 in
65 mm
Lift Cylinder: Standard Lift Linkage - Stroke
31.1 in
789 mm
Tilt Cylinder: Standard Lift Linkage - Bore Diameter
5.9 in
150 mm
Tilt Cylinder: Standard Lift Linkage - Rod Diameter
3.5 in
90 mm
Tilt Cylinder: Standard Lift Linkage - Stroke
21.9 in
555 mm
Hydraulic Cycle Time - Raise, Ground Level to Maximum Lift
5.5 s
5.5 s
Hydraulic Cycle Time - Dump (at Maximum Lift Height)
1.5 s
1.5 s
Hydraulic Cycle Time - Float Down, Maximum Lift to Ground Level
2.7 s
2.7 s
Hydraulic Cycle Time - Total Cycle Time
9.7 s
9.7 s
Note
*3rd and 4th function flow is fully adjustable from 20% to 100% of maximum flow through the secondary display when equipped.
Service Refill Capacities
Fuel Tank
51.5 gal (US)
195 l
Cooling System
7.9 gal (US)
30 l
Engine Crankcase
5.3 gal (US)
20 l
Transmission - Gear Box
2.2 gal (US)
8.5 l
Front Axles
9.2 gal (US)
35 l
Rear Axles
9.2 gal (US)
35 l
Hydraulic System - Including Tank
49.3 gal (US)
170 l
Hydraulic Tank
23.8 gal (US)
90 l
Diesel Exhaust Fluid (DEF) Tank
5 gal (US)
19 l
Note
DEF used in Cat systems must meet the requirements outlined in the International Organization for Standardization (ISO) standard 22241-1:2019.
Transmission
Forward and Reverse - Range 1*
1-13 km/h (0.6-8 mph)
Forward and Reverse - Range 2
8 mile/h
13 km/h
Forward and Reverse - Range 3
17 mile/h
27 km/h
Forward and Reverse - Range 4
25 mile/h
40 km/h
Note
*Creeper control allows maximum speed range adjustability from 1 km/h (0.6 mph) to 13 km/h (8 mph) in Range 1 through the secondary display when equipped. Factory default is 7 km/h (4.4 mph).
Tires
Standard Size
20.5 R25, radial (L-3)
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
Note (1)
Other tire choices are available. Contact your Cat dealer for details.
Note (2)
In certain applications, the loader’s productive capabilities may exceed the tire’s tonnes-km/h (ton-mph) capabilities.
Note (3)
Caterpillar recommends that you consult a tire supplier to evaluate all conditions before selecting a tire model.
Cab
ROPS
ISO 3471:2008
FOPS
ISO 3449:2005 LEVEL II
Axles
Front
Fixed; Locking differential (standard)
Rear
Oscillating ± 11 degrees; Open differential (standard); Limited slip differential (optional)
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 1.9 kg (4.2 lb) of refrigerant which has a CO2 equivalent of 2.717 metric tonnes (2.99 tons).
Sound
Operator Sound Pressure (ISO 6396:2008)
68 dB(A)
68 dB(A)
Average Exterior Sound Pressure (ISO 6395:2008)
101 dB(A)
101 dB(A)
Note (1)
European Union Directive 2000/14/EC and UK Noise Regulation 2001 No. 1701.
Sustainability
Recyclability
96%
Dimensions with Bucket - Standard Lift
Height - Ground to Cab**
10.92 ft
3340 mm
Height - Ground to Beacon**
12.17 ft
3707 mm
Height - Ground to Axle Center**
2.25 ft
685 mm
Height - Ground Clearance**
1.25 ft
386 mm
Length - Overall*
25.08 ft
7656 mm
Length - Rear Axle to Bumper
6.42 ft
1968 mm
Length - Hitch to Front Axle
5 ft
1525 mm
Length - Wheel Base
10 ft
3050 mm
Clearance - Bucket at 45°*
9.3 ft
2834 mm
Clearance - Load over Height**
11 ft
3354 mm
Clearance - Level Bucket**
11.9 ft
3641 mm
Height - Bucket Pin**
13 ft
3969 mm
Height - Overall**
17.33 ft
5273 mm
Reach - Bucket at 45°*
3.75 ft
1146 mm
Carry Height - Bucket Pin
1.33 ft
394 mm
Dig Depth**
4 in
101 mm
Width - Bucket
9 ft
2750 mm
Width - Tread Center
6.83 ft
2083 mm
Turning Radius - Over Bucket
20.08 ft
6120 mm
Width - Over Tires
8.83 ft
2693 mm
Turning Radius - Outside of Tires
18.16 ft
5546 mm
Turning Radius - Inside of Tires
9.33 ft
2843 mm
Rack Angle at Full Lift
54 °
54 °
Dump Angle at Full Lift
49 °
49 °
Rack Angle at Carry
43 °
43 °
Departure Angle
33 °
33 °
Articulation Angle
40 °
40 °
Operating Weight
35528 lb
16115 kg
Note (1)
*Vary with bucket.
Note (2)
**Vary with tire.
Note (3)
Dimensions listed are for a machine configured with 2.5 m³ (3.2 yd³) general purpose Fusion™ bucket, bolt-on cutting edge, standard counterweights, additional guarding, 80 kg (176 Ib) operator and 20.5 R25 (L-3) XHA2 tires.
Dimensions with Bucket - High Lift
Height - Ground to Cab**
10.92 ft
3340 mm
Height - Ground to Beacon**
12.17 ft
3707 mm
Height - Ground to Axle Center**
2.25 ft
685 mm
Height - Ground Clearance**
1.25 ft
386 mm
Length - Overall*
27.58 ft
8397 mm
Length - Rear Axle to Bumper
6.42 ft
1968 mm
Length - Hitch to Front Axle
5 ft
1525 mm
Length - Wheel Base
10 ft
3050 mm
Clearance - Bucket at 45°*
11.16 ft
3415 mm
Clearance - Load over Height**
11.66 ft
3561 mm
Clearance - Level Bucket**
13.83 ft
4222 mm
Height - Bucket Pin**
14.92 ft
4550 mm
Height - Overall**
19.2 ft
5853 mm
Reach - Bucket at 45°*
4.66 ft
1413 mm
Carry Height - Bucket Pin
2 ft
612 mm
Dig Depth**
5.25 in
135 mm
Width - Bucket
9 ft
2750 mm
Width - Tread Center
6.83 ft
2083 mm
Turning Radius - Over Bucket
21.25 ft
6483 mm
Width - Over Tires
8.83 ft
2693 mm
Turning Radius - Outside of Tires
18.16 ft
5546 mm
Turning Radius - Inside of Tires
9.33 ft
2843 mm
Rack Angle at Full Lift
53 °
53 °
Dump Angle at Full Lift
47 °
47 °
Rack Angle at Carry
48 °
48 °
Departure Angle
33 °
33 °
Articulation Angle
40 °
40 °
Operating Weight
36210 lb
16425 kg
Note (1)
*Vary with bucket.
Note (2)
**Vary with tire.
Note (3)
Dimensions listed are for a machine configured with 2.5 m³ (3.2 yd³) general purpose Fusion™ bucket, bolt-on cutting edge, standard counterweights, additional guarding, 80 kg (176 Ib) operator and 20.5 R25 (L-3) XHA2 tires.
Standard/Optional

Standard Equipment

NOTE: Not all features are available in all regions.
OPERATOR ENVIRONMENT
POWER TRAIN
HYDRAULICS
ELECTRICAL
OTHER

Optional Equipment

NOTE: Not all features are available in all regions.
OPERATOR ENVIRONMENT
POWER TRAIN
HYDRAULICS
ELECTRICAL
OTHER OPTIONAL EQUIPMENT
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Serial Number T17090000
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CAT 938K
Serial Number SWL02808C
CAT 938K/M 5.5 CYD LIGHT MATERIAL BUCKET
Serial Number A4202LM20070
CAT 938M 2V
Serial Number J3R02792
CAT 938M 3V
Serial Number J3R08079
CAT 938M 3V
Serial Number J3R08591
CAT 938M 3V
Serial Number J3R06610
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