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938
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938
938
Small Wheel Loaders
Cat® wheel loaders set the standard for productivity, fuel efficiency, operator comfort and low operating costs. The Cat 938 Small Wheel Loader features a high torque C7.1 engine that works in conjunction with an intelligent hydrostatic power train to deliver exceptional fuel efficiency. Meets Brazil MAR-1 emission standards, equivalent to U.S. EPA Tier 3 and EU Stage IIIA.
Rated Engine Power - ISO 14396
188 hp/140 kW
Engine Model
Cat C7.1*
Performance Mode
Automatic
Rated Gross Power - Rated Engine Speed
1800 r/min/1800 r/min
Key Features
Enjoy All Day Comfort
Efficiently Powerful
Work Made Easy
Customize Your Experience
Upgrades and Services
Specifications
Metric
|
Imperial
Engine
Rated Engine Power - ISO 14396
188 hp
140 kW
Engine Model
Cat C7.1*
Performance Mode
Automatic
Rated Gross Power - Rated Engine Speed
1800 r/min
1800 r/min
Rated Engine Power - ISO 14396 (DIN)
190 mhp
190 mhp
Rated Net Power - SAE J1349 at Minimum Fan Speed
182 hp
136 kW
Rated Net Power - ISO 9249 at Minimum Fan Speed
182 hp
136 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 - ISO 14396
672 ft·lbf
912 N·m
Maximum Net Torque - SAE J1349
646 ft·lbf
876 N·m
Maximum Net Torque - ISO 9249
653 ft·lbf
886 N·m
Displacement
427 in³
7.01 l
Bore
4 in
105 mm
Stroke
5 in
135 mm
Note
*Meets Brazil MAR-1 emission standards, equivalent to U.S. EPA Tier 3 and EU Stage IIIA.
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.
Weights
Operating Weight
33948 lb
15399 kg
Operating Weight - High Lift
34426 lb
15615 kg
Buckets
Bucket Capacities
2.5-5.0 m3 (3.3-6.5 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
*Meets Brazil MAR-1 emission standards, equivalent to U.S. EPA Tier 3 and EU Stage IIIA.
Service Refill Capacities
Fuel Tank
51.5 gal (US)
195 l
Cooling System
8.5 gal (US)
32 l
Engine Crankcase
5.2 gal (US)
19.5 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
45 gal (US)
170 l
Hydraulic Tank
23.8 gal (US)
90 l
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
*Meets Brazil MAR-1 emission standards, equivalent to U.S. EPA Tier 3 and EU Stage IIIA.
Tires
Standard Size
20.5 R25, radial (L-3)
Other Choices Include
20.5 R25, radial (L-5), 20.5-25 16 PR (L-3), 23.5-25, radial (L-3)
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)
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; Open differential (standard); Locking differential (optional)
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)
Advertised power is tested per the specified standard in effect at the time of manufacture.
Sustainability
Recyclability
96%
Dimensions with Bucket - Standard Lift
Height - Ground to Cab**
131.5 in
3340 mm
Height - Ground to Beacon**
146 in
3707 mm
Height - Ground to Axle Center**
26.9 in
685 mm
Height - Ground Clearance**
15.1 in
386 mm
Length - Overall*
301.8 in
7666 mm
Length - Rear Axle to Bumper
77.4 in
1968 mm
Length - Hitch to Front Axle
60 in
1525 mm
Length - Wheel Base
120 in
3050 mm
Clearance - Bucket at 45°*
111.1 in
2822 mm
Clearance - Load over Height**
132 in
3354 mm
Clearance - Level Bucket**
143.3 in
3642 mm
Height - Bucket Pin**
156.2 in
3969 mm
Height - Overall**
208.7 in
5301 mm
Reach - Bucket at 45°*
45.1 in
1146 mm
Carry Height - Bucket Pin
16.4 in
418 mm
Dig Depth**
3.9 in
100 mm
Width - Bucket
108.2 in
2750 mm
Width - Tread Center
82 in
2083 mm
Turning Radius - Over Bucket
241.2 in
6127 mm
Width - Over Tires
106 in
2693 mm
Turning Radius - Outside of Tires
218.3 in
5546 mm
Turning Radius - Inside of Tires
111.9 in
2843 mm
Rack Angle at Full Lift
54 °
54 °
Dump Angle at Full Lift
49 °
49 °
Rack Angle at Carry
44 °
44 °
Departure Angle
33 °
33 °
Articulation Angle
40 °
40 °
Tipping Load - Straight (ISO 14397-1:2007)*
26017 lb
11801 kg
Tipping Load - Full Turn (ISO 14397-1:2007)*
22318 lb
10123 kg
Breakout*
28841 lb
13082 kg
Operating Weight
33948 lb
15399 kg
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)
Caterpillar recommends that you consult a tire supplier to evaluate all conditions before selecting a tire model.
Dimensions with Bucket - High Lift
Height - Ground to Cab**
131.5 in
3340 mm
Height - Ground to Beacon**
146 in
3707 mm
Height - Ground to Axle Center**
26.9 in
685 mm
Height - Ground Clearance**
15.1 in
386 mm
Length - Overall*
301.8 in
7666 mm
Length - Rear Axle to Bumper
77.4 in
1968 mm
Length - Hitch to Front Axle
60 in
1525 mm
Length - Wheel Base
120 in
3050 mm
Clearance - Bucket at 45°*
111.1 in
2822 mm
Clearance - Load over Height**
132 in
3354 mm
Clearance - Level Bucket**
143.3 in
3642 mm
Height - Bucket Pin**
156.2 in
3969 mm
Height - Overall**
208.7 in
5301 mm
Reach - Bucket at 45°*
45.1 in
1146 mm
Carry Height - Bucket Pin
16.4 in
418 mm
Dig Depth**
3.9 in
100 mm
Width - Bucket
108.2 in
2750 mm
Width - Tread Center
82 in
2083 mm
Turning Radius - Over Bucket
241.2 in
6127 mm
Width - Over Tires
106 in
2693 mm
Turning Radius - Outside of Tires
218.3 in
5546 mm
Turning Radius - Inside of Tires
111.9 in
2843 mm
Rack Angle at Full Lift
54 °
54 °
Dump Angle at Full Lift
49 °
49 °
Rack Angle at Carry
44 °
44 °
Departure Angle
33 °
33 °
Articulation Angle
40 °
40 °
Tipping Load - Straight (ISO 14397-1:2007)*
26017 lb
11801 kg
Tipping Load - Full Turn (ISO 14397-1:2007)*
22318 lb
10123 kg
Breakout*
28841 lb
13082 kg
Operating Weight
33948 lb
15399 kg
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)
Caterpillar recommends that you consult a tire supplier to evaluate all conditions before selecting a tire model.
Equipment
Standard Equipment
Optional Equipment