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938M Aggregate Handler Small Wheel Loader

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Product Description

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 this industry benchmark.

Specifications
Us
Metric
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 Gross Torque - ISO 14396 (Performance Power Mode: Range 1-4)
664 ft·lbf
900 N·m
Engine Model
Cat® C7.1
Maximum Gross Torque - ISO 14396 (Standard Power Mode: Range 1-3*)
642 ft·lbf
870 N·m
Maximum Gross Power - ISO 14396 (Performance Power Mode: Range 1-4)
188 HP
140 kW
Maximum Gross Power - Maximum Engine Speed (Performance Power Mode: Range 1-4)
1800 r/min
1800 r/min
Maximum Rated Gross Power - ISO 14396
188 HP
140 kW
Maximum Gross Power - Maximum Engine Speed (Standard Power Mode: Range 1-3*)
1600 r/min
1600 r/min
Maximum Net Torque - SAE J1349 (Performance Power Mode: Range 1-4)
649 ft·lbf
880 N·m
Note (3)
No derating required up to 3000 m (10,000 ft) altitude. Auto derate protects hydraulic and transmission systems.
Note (1)
*Range 4 power and torque is equal to Performance Mode with Caterpillar Power by Range technology.
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.
Maximum Gross Power - ISO 14396 (Standard Power Mode: Range 1-3*)
173 HP
129 kW
Emissions
The Cat C7.1 engine meets U.S. EPA Tier 4 Final, EU Stage V and Korea Tier 4 Final emission standards.
Maximum Net Torque - SAE J1349 (Standard Power Mode: Range 1-3*)
627 ft·lbf
850 N·m
Maximum Net Torque - ISO 9249 (Performance Power Mode: Range 1-4)
650 ft·lbf
882 N·m
Net Power - ISO 9249 (metric) at Minimum Fan Speed (Performance Power Mode: Range 1-4)
186 HP
137 kW
Net Power - ISO 9249 at Minimum Fan Speed (Performance Power Mode: Range 1-4)
184 HP
137 kW
Maximum Gross Power - ISO 14396 (metric) (Performance Power Mode: Range 1-4)
190 HP
140 kW
Net Power - SAE J1349 at Minimum Fan Speed (Performance Power Mode: Range 1-4)
183 HP
137 kW
Net Power - SAE J1349 at Minimum Fan Speed (Standard Power Mode: Range 1-3*)
170 HP
127 kW
Net Power (Standard Power Mode: Range 1-3*)
1600 r/min
1600 r/min
Maximum Gross Power - ISO 14396 (metric) (Standard Power Mode: Range 1-3*)
176 HP
129 kW
Net Power (Performance Power Mode: Range 1-4)
1800 r/min
1800 r/min
Maximum Rated Gross Power - ISO 14396 (metric)
190 HP
140 kW
Net Power - ISO 9249 (metric) at Minimum Fan Speed (Standard Power Mode: Range 1-3*)
172 HP
127 kW
Maximum Net Torque - ISO 9249 (Standard Power Mode: Range 1-3*)
628 ft·lbf
852 N·m
Net Power - ISO 9249 at Minimum Fan Speed (Standard Power Mode: Range 1-3*)
170 HP
127 kW
Buckets
Bucket Capacities
2.9-5.0 m3 (3.8-6.5 yd3)
Weights
Operating Weight
36839 lb
16710 kg
Cab
ROPS
ISO 3471:2008
Steering
Maximum Flow - Steering Pump
34 gal/min
130 l/min
Loader Hydraulic System
Relief Pressure - Tilt Cylinder - 3rd and 4th Function Relief Pressure
4351 psi
30000 kPa
Relief Pressure - Tilt Cylinder - 3rd and 4th Function Maximum Working Pressure
4061 psi
28000 kPa
Steering
Steering Cycle Times - Full Left to Full Right - Minimum RPM: Pump Flow Limited
3.1 s
3.1 s
Service Refill Capacities
Rear Axles
9.2 gal (US)
35 l
Loader Hydraulic System
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.
Tilt Cylinder, Double Acting - Bore Diameter
5.9 in
150 mm
Power Train
Brakes - Parking
Spring applied hydraulically released
Service Refill Capacities
Hydraulic System - Including Tank
44.9 gal (US)
170 l
Loader Hydraulic System
Relief Pressure - Tilt Cylinder
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
Power Train
Rear Axle - Traction Aid - Optional
Limited slip differential
Steering
Steering Cycle Times - Full Left to Full Right - Maximum RPM: 90 rpm Steering Wheel Speed
2.3 s
2.3 s
Loader Hydraulic System
Cycle Times - Performance (HP+) at 1,800 rpm/Standard Power Mode at 1,600 rpm - Total Cycle Time
9.7/10.6 seconds
Tilt Cylinder, Double Acting - Rod Diameter
3.5 in
90 mm
Transmission
Forward and Reverse - Range 4
25 mile/h
40 km/h
Loader Hydraulic System
Maximum Flow - Implement Pump
50 gal/min
190 l/min
Transmission
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).
Loader Hydraulic System
Note (2)
Flow values listed are for a machine running in Performance Power Mode (1,800 rpm).
Service Refill Capacities
Hydraulic Tank
23.8 gal (US)
90 l
Power Train
Rear Axle - Oscillation Angle by Tire Size - 23.5 R25
± 7 degrees
Service Refill Capacities
Diesel Exhaust Fluid (DEF) Tank
5 gal (US)
19 l
Loader Hydraulic System
Tilt Cylinder, Double Acting - Stroke
21.9 in
555 mm
Service Refill Capacities
Engine Crankcase
5.3 gal (US)
20 l
Steering
Steering Cylinder, Double Acting - Bore Diameter
3.1 in
80 mm
Power Train
Rear Axle
Oscillating
Service Refill Capacities
Cooling System
8.5 gal (US)
32 l
Front Axles
9.2 gal (US)
35 l
Power Train
Rear Axle - Oscillation Angle by Tire Size - 20.5 R25, 550/65, 600/65, 650/65
± 10.5 degrees
Service Refill Capacities
Transmission - Gear Box
2.9 gal (US)
11 l
Fuel Tank
51.5 gal (US)
195 l
Steering
Steering Cylinder, Double Acting - Rod Diameter
2 in
50 mm
Power Train
Note (2)
Offset rims available to meet European roading requirements.
Loader Hydraulic System
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
Steering
Steering Cylinder, Double Acting - Stroke
15.7 in
399 mm
Loader Hydraulic System
Maximum Flow - Implement Pump - 4th Function Maximum Flow*
42 gal/min
160 l/min
Power Train
Note (1)
Power train is governed by the Caterpillar exclusive Intelligent Power Management system to deliver peak performance and efficiency.
Loader Hydraulic System
Note (3)
* 3rd and 4th function flow is fully adjustable from 20% to 100% of maximum flow through the secondary display when equipped.
Power Train
Brakes - Service
Outboard wet disc
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
Cab
Note (1)
* Measurements were conducted with cab doors and windows closed and at 70% of maximum engine cooling fan speed. Sound level may vary at different engine cooling fan speeds.
Transmission
Forward and Reverse - Range 3
17 mile/h
27 km/h
Loader Hydraulic System
Lift Cylinder, Double Acting - Stroke
31.1 in
789 mm
Maximum Working Pressure - Implement Pump
4061 psi
28000 kPa
Lift Cylinder, Double Acting - Bore Diameter
4.7 in
120 mm
Power Train
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.
Loader Hydraulic System
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
Power Train
Front Axle
Fixed
Cab
FOPS
ISO 3449:2005 LEVEL II
Steering
Note (1)
Steering system uses a dedicated load sensing variable displacement pump with dual double acting cylinders.
Power Train
Front Axle - Traction Aid*
Locking differential (standard)
Loader Hydraulic System
Lift Cylinder, Double Acting - Rod Diameter
2.6 in
65 mm
Steering
Maximum Working Pressure - Steering Pump
3500 psi
24130 kPa
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 of refrigerant which has a CO2 equivalent of 2.717 metric tonnes.
Cab
Declared Sound Levels
Declared Sound Levels
– Operator Sound Pressure Level (ISO 6396:2008): 68 dB(A)*
– Exterior Sound Power Level (ISO 6395:2008): 101 dB(A)*
Steering
Note (2)
Flow values listed are for a machine running in Performance Power Mode (1,800 rpm).
Loader Hydraulic System
Maximum Flow - Implement Pump - 3rd Function Maximum Flow*
50 gal/min
190 l/min
Operating Specifications
Full Turn Tip Load (2)
10 662 kg (23,504 lb)^
Full Turn Tip Load (1)
10 551 kg (23,260 lb)**
Weights
Note (2)
^Aggregate Handler equipped with full counterweight, optional guards, roading fenders, cold start package, and 23.5R25 tires.
Note (1)
**Aggregate Handler machine equipped with full counterweight and optional guards.
Operating Weight (2)
16 710 kg (36,839 lb)^
Operating Specifications
Note (2)
^Aggregate Handler equipped with full counterweight, optional guards, roading fenders, cold start package, and 23.5R25 tires.
Weights
Operating Weight (1)
16 199 kg (35,712 lb)**
Operating Specifications
Note (1)
**Aggregate Handler machine equipped with full counterweight and optional guards.
Standard/Optional

Standard Equipment

POWER TRAIN
HYDRAULICS
ELECTRICAL
OPERATOR ENVIRONMENT
OTHER STANDARD EQUIPMENT

Optional Equipment

Cab, deluxe (standard in Europe):
OPTIONAL EQUIPMENT
Cold start package:
Guards
Radio packages:
Seats:
Steering:
Tires:

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