SPECS SUMMARY

Maximum Gross Power188 mm H2O (140 kg/mm)
Operating Weight36216 lb (16427 null)
Bucket Capacities2.5-5.0 m3 (3.3-6.5 yd3)
The Cat 938M Small Wheel Loader sets the standard for productivity, fuel efficiency and operator comfort. The improved optimized Z-bar loader linkage delivers the quick loading performance of a traditional Z-bar with the parallelism and load handling capability of a tool carrier. A high torque, low speed C7.1 ACERT engine works in concert with an intelligent hystat power train to deliver fuel efficiency as standard. Meets Tier 4 Final/Stage IV emission standards with an environmentally friendly, Clean Emission Module designed to manage itself so you can concentrate on your work. Experience the new industry benchmark.


Specifications

-Maximum Gross Power188 mm H2O (140 kg/mm)
-Operating Weight36216 lb (16427 null)
-Bucket Capacities2.5-5.0 m3 (3.3-6.5 yd3)
-Bore4 in (105 mm)
-Stroke5 in (135 mm)
-Displacement427 in³ (7.01 l)
-ROPSISO 3471: 2008
-FOPSISO 3449: 2005 LEVEL II
-Rear AxleOscillating
-Note (3)Offset rims available to meet European roading requirements.
-Note (2)Differential front locking axle can be engaged on the go at full torque up to 20 km/h (12.4 mph) on the 938M.
-Rear Axle - Oscillation Angle by Tire Size - 20.5 R25, 550/65, 600/65, 650/65± 10.5 degrees
-Rear Axle - Oscillation Angle by Tire Size - 23.5 R25± 7 degrees
-Diesel Exhaust Fluid (DEF) Tank5 gal (US) (19 l)
-Engine Crankcase5.3 gal (US) (20 l)
-Cooling System8.5 gal (US) (32 l)
-Rear Axle - Traction Aid (Optional)Limited slip differential
-Rear Axle - Oscillation Angle by Tire Size - Solid Tires, 750/65, 620/65, Skidder± 7 degrees
-Note (1)Power train is governed by the Caterpillar exclusive Intelligent Power Management system to deliver peak performance and efficiency.
-Front AxleFixed
-Tilt Cylinder, Double Acting - Rod Diameter3.5 in (90 mm)
-Tilt Cylinder, Double Acting - Stroke21.9 in (555 mm)
-Brakes - ServiceOutboard wet disc
-Brakes - ParkingSpring applied hydraulically released
-Tilt Cylinder, Double Acting - Bore Diameter5.9 in (150 mm)
-Relief Pressure - Tilt Cylinder - 3rd and 4th Function Relief Pressure4351 psi (30000 kPa)
-Full Turn Tip Load22107 lb (10028 null)
-Front Axles9.2 gal (US) (35 l)
-Relief Pressure - Tilt Cylinder - 3rd and 4th Function Maximum Working Pressure4061 psi (28000 kPa)
-Front Axle - Traction Aid - StandardLocking differential
-Transmission - Gear Box2.9 gal (US) (11 l)
-Steering Cylinder, Double Acting - Stroke15.7 in (399 mm)
-Steering Cylinder, Double Acting - Rod Diameter2 in (50 mm)
-Steering Cylinder, Double Acting - Bore Diameter3.1 in (80 mm)
-Steering Cycle Times - Full Left to Full Right - Minimum RPM: Pump Flow Limited3.1 s (3.1 s)
-Forward and Reverse - Range 1*1-13 km/h (0.6-8 mph)
-Forward and Reverse - Range 28 mile/h (13 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 425 mile/h (40 km/h)
-Forward and Reverse - Range 317 mile/h (27 km/h)
-Steering Cycle Times - Full Left to Full Right - Maximum RPM: 90 rpm Steering Wheel Speed2.3 s (2.3 s)
-Note (2)Flow values listed are for a machine running in Performance Power Mode (1,800 rpm).
-Relief Pressure - Tilt Cylinder4351 psi (30000 kPa)
-Rear Axles9.2 gal (US) (35 l)
-Hydraulic Tank23.8 gal (US) (90 l)
-Hydraulic System - Including Tank44.9 gal (US) (170 l)
-Maximum Flow - Steering Pump34 gal/min (130 l/min)
-Maximum Steering Torque - 0° (Straight Machine)42506 lb/ft (57630 N·m)
-Note (1)Steering system uses a dedicated load sensing variable displacement pump with dual double acting cylinders.
-Maximum Working Pressure - Steering Pump3500 psi (24130 kPa)
-Maximum Steering Torque - 40° (Full Turn)31398 lb/ft (42570 N·m)
-Fuel Tank51.5 gal (US) (195 l)
-Maximum Flow - Implement Pump - 4th Function Maximum Flow*42 gal/min (160 l/min)
-Maximum Net Torque - ISO 9249 (1977)/EEC 80/1269 (Performance Power Mode: Range 1-4)628 lb/ft (852 N·m)
-Maximum Gross Torque - ISO 14396 (Standard Power Mode: Range 1-3*)648 lb/ft (879 N·m)
-Maximum Gross Torque - ISO 14396 (Performance Power Mode: Range 1-4)648 lb/ft (879 N·m)
-EmissionsEngine meets U.S. EPA Tier 4 Final/EU Stage IV emission standards.
-Maximum Net Torque - ISO 9249 (1977)/EEC 80/1269 (Standard Power Mode: Range 1-3*)628 lb/ft (852 N·m)
-Maximum Net Torque - SAE J1349 (Performance Power Mode: Range 1-4)621 lb/ft (843 N·m)
-Maximum Rated Gross Power - ISO 14396 (Standard Power Mode: Range 1-3*)173 mm H2O (129 kg/mm)
-Maximum Rated Gross Power - ISO 14396 (DIN) (Standard Power Mode: Range 1-3*)175 mm H2O (129 kg/mm)
-Maximum Net Torque - SAE J1349 (Standard Power Mode: Range 1-3*)621 lb/ft (843 N·m)
-Note (2)* 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.
-Note (1)Declared sound levels per ISO 6396:2008* while in Performance Power Mode: – Standard cab: 68 ±3 dB(A) and Deluxe cab
-Maximum Rated Gross Power - ISO 14396 (Performance Power Mode: Range 1-4)188 mm H2O (140 kg/mm)
-Maximum Rated Gross Power - ISO 14396 (DIN) (Performance Power Mode: Range 1-4)190 mm H2O (140 kg/mm)
-Maximum Rated Gross Power - ISO 14396 (DIN)190 mm H2O (140 kg/mm)
-Maximum Rated Gross Power - ISO 14396188 mm H2O (140 kg/mm)
-Maximum Rated Gross Power - Maximum Engine Speed (Performance Power Mode: Range 1-4)1800 r/min (1800 r/min)
-Rated Net Power182 mm H2O (136 kg/mm)
-Air ConditioningThe 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.
-Rated Net Power - 1,800 rpm - SAE J1349 at Minimum Fan Speed (Performance Power Mode: Range 1-4)182 mm H2O (136 kg/mm)
-Rated Net Power - 1,800 rpm - ISO 9249 (1977)/EEC 80/1269 at Minimum Fan Speed (Performance Power Mode: Range 1-4)184 mm H2O (137 kg/mm)
-Maximum Rated Gross Power - Maximum Engine Speed (Standard Power Mode: Range 1-3*)1600 r/min (1600 r/min)
-Note (1)* Range 4 power and torque is equal to Performance Mode with Caterpillar Power by Range technology.
-Maximum Flow - Implement Pump50 gal/min (190 l/min)
-Lift Cylinder, Double Acting - Stroke31.1 in (789 mm)
-Lift Cylinder, Double Acting - Rod Diameter2.6 in (65 mm)
-Lift Cylinder, Double Acting - Bore Diameter4.7 in (120 mm)
-Maximum Flow - Implement Pump - 3rd Function*50 gal/min (190 l/min)
-Engine ModelCat® C7.1 ACERT™
-Note (2)Implement system uses a dedicated load sensing variable displacement pump with dual double acting lift cylinders and a single double acting tilt cylinder.
-Note (1)* 3rd and 4th function flow is fully adjustable from 20% to 100% of maximum flow through the secondary display when equipped.
-Maximum Working Pressure - Implement Pump4061 psi (28000 kPa)
-Cycle Times - Performance (HP+) at 1,800 rpm/Standard Power Mode at 1,600 rpm - Total Cycle Time9.7/10.6 seconds
-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
-Rated Net Power - 1,600 rpm - ISO 9249 (1977)/EEC 80/1269 at Minimum Fan Speed (Standard Power Mode: Range 1-3*)169 mm H2O (126 kg/mm)
-Note (4)Spark arrestor performance as standard – Meets performance requirements of EN 1834-1.2000 (section 6.4.2 Visual Test).
-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.
-Rated Net Power - 1,600 rpm - ISO 9249 (DIN) at Minimum Fan Speed (Standard Power Mode: Range 1-3*)171 mm H2O (126 kg/mm)
-Rated Net Power - 1,600 rpm - SAE J1349 at Minimum Fan Speed (Standard Power Mode: Range 1-3*)168 mm H2O (125 kg/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
-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
-Rated Net Power - 1,800 rpm - ISO 9249 (DIN) at Minimum Fan Speed (Performance Power Mode: Range 1-4)186 mm H2O (137 kg/mm)
-Note (3)Flow values listed are for a machine running in Performance Power Mode (1,800 rpm).

Benefits and Features

Standard Equipment

  • POWER TRAIN
  • HYDRAULICS
  • ELECTRICAL
  • OPERATOR ENVIRONMENT
  • OTHER STANDARD EQUIPMENT

Optional Equipment

  • OPTIONAL EQUIPMENT

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