Caterpillar WHEEL-TYPE LOADER 938M - catalog of spare parts
Steering
Maximum Operating Pressure - Steering Pump - 3,500 psi
Double Acting Steering Cylinder - Bore Diameter - 3.1in
Double-acting steering cylinder - stem diameter - 2 inches
Steering Cylinder, Double-acting - Stroke - 15.7 inches
Maximum Steering Torque - 0 Degrees (Direct Machine) - 42,506 lb ft
Maximum Flow - Steering Pump - 34 gallons / min
40 degrees maximum steering torque (full rotation) - 31,398 lb-ft
Steering cycle time - from full left to full right - minimum rpm: limited pump flow rate - 3.1 s
Steering cycle time - from full left to full right - maximum revolutions: 90 rpm. Steering wheel speed - 2.3 s
Note (1)
The steering system uses a special pump with variable displacement, load-sensitive, with double cylinders of double action.
Note (2)
The indicated flow rates refer to a machine operating in high power mode (1800 rpm).
Choose WHEEL-TYPE LOADER 938M section:
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.