fbpx

938M Aggregate Handler Small Wheel Loader

Overview

The Cat® 938M Aggregate Handler sets a new standard for productivity, fuel efficiency and comfort. A high torque, low speed C7.1 engine works in concert with an intelligent hystat power train to deliver fuel efficiency as standard. The optimized Z-bar loader linkage combined with long wear life Performance Series buckets delivers improved payloads and bucket longevity. Extremely low sound levels, large spacious cab and intuitive controls keep you working comfortably all day and even all night! Experience the new industry benchmark.

938M Aggregate Handler Small Wheel Loader - Specifications

Engine
Maximum Gross Power
188 HP
140 kW
Bore
4 in
105 mm
Stroke
5 in
135 mm
Displacement
427 in³
7.01 l
Maximum Net Torque - SAE J1349 (Performance Power Mode: Range 1-4)
621 ft·lbf
843 N·m
Maximum Rated Gross Power - ISO 14396 (DIN) (Standard Power Mode: Range 1-3*)
175 HP
129 kW
Engine Model
Cat® C7.1 ACERT™
Maximum Rated Gross Power - Maximum Engine Speed (Standard Power Mode: Range 1-3*)
1600 r/min
1600 r/min
Rated Net Power - 1,600 rpm - ISO 9249 (1977)/EEC 80/1269 at Minimum Fan Speed (Standard Power Mode: Range 1-3*)
169 HP
126 kW
Emissions
Engine meets U.S. EPA Tier 4 Final/EU Stage IV emission standards.
Note (3)
No derating required up to 3000 m (10,000 ft) altitude. Auto derate protects hydraulic and transmission systems.
Note (2)
Net power ratings are tested at the reference conditions for the specified standard and denote power available at the flywheel when the engine is equipped with alternator, air cleaner, emission components and fan at specified speed.
Note (1)
* Range 4 power and torque is equal to Performance Mode with Caterpillar Power by Range technology.
Maximum Net Torque - ISO 9249 (1977)/EEC 80/1269 (Standard Power Mode: Range 1-3*)
628 ft·lbf
852 N·m
Maximum Rated Gross Power - ISO 14396 (Standard Power Mode: Range 1-3*)
173 HP
129 kW
Maximum Gross Torque - ISO 14396 (Performance Power Mode: Range 1-4)
648 ft·lbf
879 N·m
Maximum Rated Gross Power - Maximum Engine Speed (Performance Power Mode: Range 1-4)
1800 r/min
1800 r/min
Rated Net Power - 1,800 rpm - ISO 9249 (1977)/EEC 80/1269 at Minimum Fan Speed (Performance Power Mode: Range 1-4)
184 HP
137 kW
Maximum Rated Gross Power - ISO 14396 (DIN)
190 HP
140 kW
Maximum Rated Gross Power - ISO 14396 (Performance Power Mode: Range 1-4)
188 HP
140 kW
Rated Net Power - 1,800 rpm - SAE J1349 at Minimum Fan Speed (Performance Power Mode: Range 1-4)
182 HP
136 kW
Maximum Rated Gross Power - ISO 14396
188 HP
140 kW
Rated Net Power
182 HP
136 kW
Maximum Gross Torque - ISO 14396 (Standard Power Mode: Range 1-3*)
648 ft·lbf
879 N·m
Maximum Rated Gross Power - ISO 14396 (DIN) (Performance Power Mode: Range 1-4)
190 HP
140 kW
Maximum Net Torque - ISO 9249 (1977)/EEC 80/1269 (Performance Power Mode: Range 1-4)
628 ft·lbf
852 N·m
Rated Net Power - 1,800 rpm - ISO 9249 (DIN) at Minimum Fan Speed (Performance Power Mode: Range 1-4)
186 HP
137 kW
Rated Net Power - 1,600 rpm - ISO 9249 (DIN) at Minimum Fan Speed (Standard Power Mode: Range 1-3*)
171 HP
126 kW
Note (4)
Spark arrester performance as standard – Meets the performance requirements of EN 1834-1.2000 (section 6.4.2 Visual Test).
Rated Net Power - 1,600 rpm - SAE J1349 at Minimum Fan Speed (Standard Power Mode: Range 1-3*)
168 HP
125 kW
Maximum Net Torque - SAE J1349 (Standard Power Mode: Range 1-3*)
621 ft·lbf
843 N·m
Weights
Operating Weight
36075 lb
16368 kg
Buckets
Bucket Capacities
2.9-3.2 m3 (3.8-4.2 yd3)
Cab
ROPS
ISO 3471: 2008, FOPS: ISO 3449: 2005 LEVEL II
Declared Sound Levels
– Operator Sound Pressure Level (ISO 6396:2008): 68 dB(A)* – Exterior Sound Power Level (ISO 6395:2008): 101 dB(A)*
Note (1)
* Measurements were conducted at 70% of maximum engine cooling fan speed. Sound level may vary at different engine cooling fan speeds. The cab was properly installed and maintained. The measurements were conducted with the cab doors and the cab windows closed.
Note (2)
The Blue Angel environmental label is an optional attachment for Europe only.
Steering
Steering Cylinder, Double Acting - Rod Diameter
2 in
50 mm
Steering Cylinder, Double Acting - Stroke
15.7 in
399 mm
Note (2)
Flow values listed are for a machine running in Performance Power Mode (1,800 rpm).
Maximum Working Pressure - Steering Pump
3500 psi
24130 kPa
Note (1)
Steering system uses a dedicated load sensing variable displacement pump with dual double acting cylinders.
Steering Cylinder, Double Acting - Bore Diameter
3.1 in
80 mm
Maximum Flow - Steering Pump
34 gal/min
130 l/min
Maximum Steering Torque - 40° (Full Turn)
31398 ft·lbf
42570 N·m
Steering Cycle Times - Full Left to Full Right - Minimum RPM: Pump Flow Limited
3.1 s
3.1 s
Maximum Steering Torque - 0° (Straight Machine)
42506 ft·lbf
57630 N·m
Steering Cycle Times - Full Left to Full Right - Maximum RPM: 90 rpm Steering Wheel Speed
2.3 s
2.3 s
Loader Hydraulic System
Note (3)
* 3rd function flow is fully adjustable from 20% to 100% of maximum flow through the secondary display when equipped.
Maximum Flow - Implement Pump - 3rd Function*
50 gal/min
190 l/min
Cycle Times - Performance (HP+) at 1,800 rpm/Standard Power Mode at 1,600 rpm - Raise (Ground Level to Maximum Lift)
5.5/6.2 seconds
Lift Cylinder, Double Acting - Stroke
31.1 in
789 mm
Relief Pressure - Tilt Cylinder - 3rd Function Maximum Working Pressure
4061 psi
28000 kPa
Lift Cylinder, Double Acting - Rod Diameter
2.6 in
65 mm
Cycle Times - Performance (HP+) at 1,800 rpm/Standard Power Mode at 1,600 rpm - Float Down (Maximum Lift to Ground Level)
2.7/2.7 seconds
Lift Cylinder, Double Acting - Bore Diameter
4.7 in
120 mm
Maximum Working Pressure - Implement Pump
4061 psi
28000 kPa
Tilt Cylinder, Double Acting - Bore Diameter
5.9 in
150 mm
Note (1)
Implement system uses a dedicated load sensing variable displacement pump with dual double acting lift cylinders and a single double acting tilt cylinder.
Relief Pressure - Tilt Cylinder
4351 psi
30000 kPa
Relief Pressure - Tilt Cylinder - 3rd Function Relief Pressure
4351 psi
30000 kPa
Cycle Times - Performance (HP+) at 1,800 rpm/Standard Power Mode at 1,600 rpm - Dump (at Maximum Lift Height)
1.5/1.7 seconds
Tilt Cylinder, Double Acting - Stroke
21.9 in
555 mm
Note (2)
Flow values listed are for a machine running in Performance Power Mode (1,800 rpm)
Maximum Flow - Implement Pump
50 gal/min
190 l/min
Tilt Cylinder, Double Acting - Rod Diameter
3.5 in
90 mm
Cycle Times - Performance (HP+) at 1,800 rpm/Standard Power Mode at 1,600 rpm - Total Cycle Time
9.7/10.6 seconds
Power Train
Note (1)
Power train is governed by the Caterpillar exclusive Intelligent Power Management system to deliver peak performance and efficiency.
Note (2)
Offset rims available to meet European roading requirements.
Rear Axle - Oscillation Angle by Tire Size - 20.5 R25, 550/65, 600/65, 650/65
± 10.5 degrees
Rear Axle
Oscillating
Brakes - Service
Outboard wet disc
Front Axle
Fixed
Front Axle - Traction Aid**
Locking differential (standard)
Note (3)
**Differential front locking axle can be engaged on the go at full torque to 20 km/h (12.4 mph) on the 938M.
Brakes - Parking
Spring applied hydraulically released
Rear Axle - Oscillation Angle by Tire Size - 23.5 R25
± 7 degrees
Rear Axle - Traction Aid - Optional
Limited slip differential
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
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).
Forward and Reverse - Range 4
25 mile/h
40 km/h
Service Refill Capacities
Fuel Tank
51.5 gal (US)
195 l
Transmission - Gear Box
2.9 gal (US)
11 l
Front Axles
9.2 gal (US)
35 l
Cooling System
8.5 gal (US)
32 l
Hydraulic Tank
23.8 gal (US)
90 l
Engine Crankcase
5.3 gal (US)
20 l
Rear Axles
9.2 gal (US)
35 l
Hydraulic System - Including Tank
44.9 gal (US)
170 l
Diesel Exhaust Fluid (DEF) Tank
5 gal (US)
19 l
Operating Specifications
Full Turn Tip Load
23466 lb
10647 kg