Caterpillar WHEEL LOADERS 938M - catalog of spare parts

 

Specifications

engine

Displacement - 427cu in

4 inch diameter

Stroke - 5 inches

Emissions - Engine meets US EPA Tier 4 Final / EU Stage IV standards.

Engine Model - Cat C7.1 ACERT

Note (1)

* The power and torque of range 4 corresponds to the performance mode with Caterpillar Power by Range technology.

Note (2)

The nominal values ​​of the net power are tested under standard conditions for the specified standard and indicate the power available on the flywheel when the engine is equipped with an alternator, an air cleaner, exhaust components and a fan at the indicated speed.

Note (3)

No performance degradation is required up to 3,000 m (10,000 ft). Auto derate protects hydraulic and transmission systems.

Note (4)

Spark arrester characteristics as standard Meets the performance requirements of EN 1834-1.2000 (section 6.4.2 Visual test).

Maximum Gross Power - 188 HP

Rated net power - 182 hp

Maximum rated apparent power - ISO 14396 (DIN) - 190 hp

Maximum rated apparent power - maximum engine speed (performance in power mode: range 1-4) - 1800 rpm

Maximum rated apparent power - ISO 14396 - 188 hp

Maximum nominal apparent power - ISO 14396 (power mode during operation: range 1-4) - 188 hp

Maximum rated apparent power - ISO 14396 (DIN) (Performance in power mode: range 1-4) - 190 hp

Rated net power - 1800 rpm - SAE J1349 at minimum fan speed (high power mode: range 1-4) - 182 hp

Rated net power - 1800 rpm - ISO 9249 (1977) / EEC 80/1269 at minimum fan speed (performance mode with power: range 1-4) - 184 hp

Rated net power - 1800 rpm - ISO 9249 (DIN) with a minimum fan speed (Power mode: range 1-4) - 186 hp

Maximum Gross Torque - ISO 14396 (Punch Power: Range 1-4) - 648 lb-ft

Maximum Net Torque - SAE J1349 (High Power Mode: Range 1-4) - 621 lb-ft

Maximum Pure Torque - ISO 9249 (1977) / EEC 80/1269 (Performance in Power Mode: Range 1-4) - 628 lb-ft

Maximum rated apparent power - maximum engine speed (standard power mode: range 1-3 *) - 1600 rpm

Maximum nominal apparent power - ISO 14396 (standard power mode: range 1-3 *) - 173 hp

Maximum rated apparent power - ISO 14396 (DIN) (Standard power mode: range 1-3 *) - 175 hp

Rated net power - 1600 rpm - SAE J1349 at minimum fan speed (standard power mode: range 1-3 *) - 168 hp

Rated net power - 1600 rpm - ISO 9249 (1977) / EEC 80/1269 at minimum fan speed (standard power mode: range 1-3 *) - 169 hp

Rated net power - 1600 rpm - ISO 9249 (DIN) at minimum fan speed (standard power mode: range 1-3 *) - 171 hp

Maximum Torque - ISO 14396 (Standard Power Mode: Range 1-3 *) - 648 lb-ft

Maximum Pure Torque - SAE J1349 (Standard Power Mode: Range 1-3 *) - 621 lb-ft

Maximum Pure Torque - ISO 9249 (1977) / EEC 80/1269 (Standard Power Mode: 1-3 * Range) - 628 lb-ft

 

Power train

Front axle - fixed

Rear Axle - Swing

Front axle - Traction device - Standard - Differential lock

Rear axle - swing angle according to tire size - 23.5 R25 - 7 degrees

Rear Axle - Traction Device - Optional - Limited Friction Differential

Note (1)

The drivetrain is driven by Caterpillar`s exclusive intelligent power management system for maximum performance and efficiency.

Note (2)

Differential front axle lock can be engaged on the go with full torque of up to 20 km / h (12.4 mph) at 938M.

Note (3)

Offset discs are available to meet European requirements.

Brakes - Parking - Spring-loaded hydraulic drive

Brakes - Service - Outboard wet disc

Rear axle - Swing angle according to tire size - 20.5 R25, 550/65, 600/65, 650/65 - 10.5 degrees

Rear axle - Swing angle according to tire size - Solid tires, 750/65, 620/65, Skidding - 7 degrees

 

Transmission

The note

* Creeper control provides maximum speed range adjustment from 1 km / h (0.6 mph) to 13 km / h (8 mph) in range 1 using the optional display, if installed. The factory default is 7 km / h (4.4 mph).

Forward and backward - 1 * range - 1-13 km / h (0.6-8 mph)

Forward and backward - range 2 - 8 mph

Forward and Backward - Range 3 - 17 Mph

Forward and backward - range 4 - 25 mph

 

Buckets

Bucket volume - 2.5-5.0 m3 (3.3-6.5 cubic meters M)

 

Performance characteristics

Full tip load - 22,107 pounds

 

Service replenishment options

Cooling system - 8.5gal

Fuel Tank - 51.5 Gallons

Hydraulic Tank - 23.8 gal

Hydraulic system including tank - 44.9 gallons

Crankcase - 5.3gal

Gearbox - gearbox - 2.9gal

Diesel Exhaust Fluid (DEF) - 5 gallons

Front axles - 9.2gal

Rear axles - 9.2gal

 

Taxi

ROPS - ISO 3471: 2008

FOPS - ISO 3449: 2005 LEVEL II

Note (1)

Declared sound levels according to ISO 6396: 2008 * in Performance Power mode: Standard cab: 68 3 dB (A) and Deluxe cab

Note (2)

* Measurements were taken with the doors and windows of the cabin closed and at 70% of the maximum rotation speed of the engine cooling fan. Noise levels may vary at different speeds of the engine cooling fan.

 

Loader hydraulic system

Double Action Lift Cylinder - Stroke - 31.1 Inches

Double Action Tilt Cylinder - Stroke - 21.9 Inches

Max Flow - Gun Pump - 50 gal / min

Note (1)

* The 3rd and 4th flow functions are fully adjustable from 20% to 100% of the maximum flow through the secondary display, if installed.

Note (2)

The system of units uses a special pump with variable displacement, sensitive to load, with double lifting cylinders of double action and one inclined cylinder of double action.

Note (3)

The indicated flow rates refer to a machine operating in high power mode (1800 rpm).

Maximum Working Pressure - Implement Pump - 4061 psi

Double Acting Lifting Cylinder - 4.7 in. Bore

Double Acting Lifting Cylinder - Bar Diameter - 2.6 Inches

Double Action Tilt Cylinder - Bore Diameter - 5.9in

Double acting tilt cylinder - stem diameter - 3.5 inches

Pressure Relief - Tilt Cylinder - 4351 psi

Maximum flow rate - Implement pump - 3rd function * - 50 gal / min

Cycle Times - Performance (HP +) at 1800 rpm / Standard power mode at 1600 rpm - Increase (from ground level to maximum lift) - 5.5 / 6.2 seconds

Cycle Times - Performance (HP +) at 1800 rpm / Standard power mode at 1600 rpm - Dump (at maximum lift height) - 1.5 / 1.7 seconds

Cycle Times - Performance (HP +) at 1800 rpm / Standard power mode at 1600 rpm - Float Down (maximum rise to ground level) - 2.7 / 2.7 seconds

Cycle Times - Performance (HP +) at 1800 rpm / Standard power mode at 1600 rpm - Total cycle time - 9.7 / 10.6 seconds

Maximum flow rate - Implement pump - 4th function Maximum flow rate * - 42 gal / min

Pressure Relief - Tilt Cylinder - 3rd and 4th Function Maximum Working Pressure - 4061 psi

Pressure Relief - Tilt Cylinder - 3 and 4 Pressure Relief Functions - 4351 psi

 

Air conditioning system

Air conditioning

The air conditioning system on this unit contains R134a fluorinated greenhouse refrigerant (1430 global warming potential). The system contains 1.9 kg of refrigerant with a CO2 equivalent of 2.717 metric tons.