938M Aggregrate Handler Wheel Loader | Cat

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 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. 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. 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. 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. 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 m³ (3.8-6.5 yd³) 2.9-5 m³ (3.8-6.5 yd³)

Weights

Operating Weight	36839 lb 16710 kg
Note (2)	^Aggregate Handler equipped with full counterweight, optional guards, roading fenders, cold start package, and 23.5R25 tires. ^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. Aggregate Handler machine equipped with full counterweight and optional guards.
Operating Weight (2)	16 710 kg (36,839 lb)^ 16 710 kg (36,839 lb)^
Operating Weight (1)	16 199 kg (35,712 lb) 16 199 kg (35,712 lb)

Cab

ROPS	ISO 3471:2008 ISO 3471:2008
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. * 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.
FOPS	ISO 3449:2005 LEVEL II ISO 3449:2005 LEVEL II
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)* Declared Sound Levels – Operator Sound Pressure Level (ISO 6396:2008): 68 dB(A)* – Exterior Sound Power Level (ISO 6395:2008): 101 dB(A)*

Steering

Maximum Flow - Steering Pump	34 gal/min 130 l/min
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
Steering Cylinder, Double Acting - Bore Diameter	3.1 in 80 mm
Steering Cylinder, Double Acting - Rod Diameter	2 in 50 mm
Steering Cylinder, Double Acting - Stroke	15.7 in 399 mm
Note (1)	Steering system uses a dedicated load sensing variable displacement pump with dual double acting cylinders. Steering system uses a dedicated load sensing variable displacement pump with dual double acting cylinders.
Maximum Working Pressure - Steering Pump	3500 psi 24130 kPa
Note (2)	Flow values listed are for a machine running in Performance Power Mode (1,800 rpm). Flow values listed are for a machine running in Performance Power Mode (1,800 rpm).

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
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. 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
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 1.5/1.7 seconds
Cycle Times - Performance (HP+) at 1,800 rpm/Standard Power Mode at 1,600 rpm - Total Cycle Time	9.7/10.6 seconds 9.7/10.6 seconds
Tilt Cylinder, Double Acting - Rod Diameter	3.5 in 90 mm
Maximum Flow - Implement Pump	50 gal/min 190 l/min
Note (2)	Flow values listed are for a machine running in Performance Power Mode (1,800 rpm). Flow values listed are for a machine running in Performance Power Mode (1,800 rpm).
Tilt Cylinder, Double Acting - Stroke	21.9 in 555 mm
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 5.5/6.2 seconds
Maximum Flow - Implement Pump - 4th Function Maximum Flow*	42 gal/min 160 l/min
Note (3)	* 3rd and 4th function flow is fully adjustable from 20% to 100% of maximum flow through the secondary display when equipped. * 3rd and 4th function flow is fully adjustable from 20% to 100% of maximum flow through the secondary display when equipped.
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
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 2.7/2.7 seconds
Lift Cylinder, Double Acting - Rod Diameter	2.6 in 65 mm
Maximum Flow - Implement Pump - 3rd Function Maximum Flow*	50 gal/min 190 l/min

Service Refill Capacities

Rear Axles	9.2 gal (US) 35 l
Hydraulic System - Including Tank	44.9 gal (US) 170 l
Hydraulic Tank	23.8 gal (US) 90 l
Diesel Exhaust Fluid (DEF) Tank	5 gal (US) 19 l
Engine Crankcase	5.3 gal (US) 20 l
Cooling System	8.5 gal (US) 32 l
Front Axles	9.2 gal (US) 35 l
Transmission - Gear Box	2.9 gal (US) 11 l
Fuel Tank	51.5 gal (US) 195 l

Power Train

Brakes - Parking	Spring applied hydraulically released Spring applied hydraulically released
Rear Axle - Traction Aid - Optional	Limited slip differential Limited slip differential
Rear Axle - Oscillation Angle by Tire Size - 23.5 R25	± 7 degrees ± 7 degrees
Rear Axle	Oscillating Oscillating
Rear Axle - Oscillation Angle by Tire Size - 20.5 R25, 550/65, 600/65, 650/65	± 10.5 degrees ± 10.5 degrees
Note (2)	Offset rims available to meet European roading requirements. Offset rims available to meet European roading requirements.
Note (1)	Power train is governed by the Caterpillar exclusive Intelligent Power Management system to deliver peak performance and efficiency. Power train is governed by the Caterpillar exclusive Intelligent Power Management system to deliver peak performance and efficiency.
Brakes - Service	Outboard wet disc Outboard wet disc
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. Differential front locking axle can be engaged on the go at full torque to 20 km/h (12.4 mph) on the 938M.
Front Axle	Fixed Fixed
Front Axle - Traction Aid*	Locking differential (standard) Locking differential (standard)

Transmission

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). * 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 1*	1-13 km/h (0.6-8 mph) 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

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. 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.

Operating Specifications

Full Turn Tip Load (2)	10 662 kg (23,504 lb)^ 10 662 kg (23,504 lb)^
Full Turn Tip Load (1)	10 551 kg (23,260 lb) 10 551 kg (23,260 lb)
Note (2)	^Aggregate Handler equipped with full counterweight, optional guards, roading fenders, cold start package, and 23.5R25 tires. ^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. Aggregate Handler machine equipped with full counterweight and optional guards.