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Caterpillar 438C Backhoe Loader

Caterpillar 438C Engine

Engine Model ............... Caterpillar 3054 DIT
Engine Type ............... 4-cylinder, liquid-cooled turbocharged diesel
Number of Cylinders ............... Four, In-Line
Displacement, cu in (L) ............... 243 (4.00)
Engine Bore, in (mm) ............... 3.94 (100.0)
Engine Stroke, in (mm) ............... 5.00 (127.0)
Aspiration ............... Turbocharged
Maximum Engine Power, hp (kW) ............... 89.0 (66.0)
Rated Engine Power, hp (kW) ............... 85.0 (63.0)
Rated Engine Speed, rpm ............... 2200
Compression ............... 16.2:1
Fuel System ............... Direct Injection
Rotation ............... Counterclockwise
Air Cleaner ............... Dry-type
Fuel Tank Capacity, gal (L) ............... 33.7 (128.0)
Oil Capacity, qts (L) ............... 7.7 (7.3)
Coolant Capacity, qts (L) ............... 20.1 (18.9)
Electrical System Rating, Volts ............... 12
Alternator Rating, Amp ............... 52

Transmission Configuration

Transmission Type ............... Power Shuttle
Gearbox Type ............... 4F/4R, Full synchromesh
Number of Forward Gears ............... 4
Number of Reverse Gears ............... 4
Torque Converter ............... Single-stage
Torque Converter Ratio ............... 2.63:1
Oil Capacity, qts (L) ............... 19.1 (18.0)
Maximum Forward Speed, mph (kph) ............... 20.0 (32.3)
Maximum Reverse Speed, mph (kph) ............... 20.0 (32.3)
Service Brakes ............... Fully enclosed, hydraulic, multiple discs
Parking Brake ............... Mechanical, independent

Cat 438C Hydraulic System

Hydraulic System Type ............... Load-sensing, closed center
Hydraulic Pump Type ............... Variable, axial piston
Hydraulic Pump Flow, gpm (Lpm) ............... 43.0 (162.0)
Hydraulic Pressure, Bar (psi) ............... 207 (3000)
Hydraulic System Capacity, gal (L) ............... 20.8 (80.0)
Valves Type ............... Pressure-compensated

Wheels and Tires

Drive Wheels ............... 4WD 4x4
Steering Configuration ............... All Wheel Steer
Steering System ............... Full hydrostatic steering with 3 modes
Steering Modes ............... Two wheel steer, circle steer, and independent rear wheels
Steering Cylinder ............... Two, Double-acting (front and rear)
Front Tire Size ............... 12.5/80-18, 10PR, SG
Rear Tire Size ............... 16.9-28, 10PR, R4
Rear Tire Size (AWS) ............... 16.9-28, 12PR, R4
Front Tread, in (mm) ............... 70.5 (1780)
Rear Tread, in (mm) ............... 67.8 (1714)

Dimensions and Weight

Wheelbase ............... 83 in (2100 mm)
Transport Length ............... 18 ft 10 in (5740 mm)
Overall Length, (Loader on ground) ............... 18 ft 7 in (5665 mm)
Transport Height ............... 12 ft 4 in (3750 mm)
Height (Cab) ............... 114.6 (2900 mm)
Height (Exhaust) ............... 108.7 (2750 mm)
Overall Width ............... 94.5 in (2392 mm)
Ground Clearance ............... 13.2 (335 mm)
Turning Radius (Two Wheel Steer) ............... 17 ft 9 in (5400 mm)
Turning Radius (Circle Steer) ............... 17 ft 1 in (5200 mm)
Turning Radius (Independent Rear Wheels) ............... 15 ft 7 in (4750 mm)
Weight ............... 16670 lbs (7560 kg)

Cat 438C Loader Specifications

Dimensions and Performance Data

Bucket Hinge Pin, Maximum Height ............... 11 ft 1 in (3360 mm)
Dump Angle at Full Height ............... 45 degrees
Dump Clearance at 45 deg ............... 102.8 in (2600 mm)
Dump Reach at 45 deg ............... 30.8 in (780 mm)
Maximum Bucket Rollback at Ground Level ............... 39 degrees
Digging Depth ............... 3.2 in (80 mm)
Maximum Grading Angle ............... 113 degrees
Maximum Operating Height ............... 14 ft 1 in (4285 mm)
Lift Capacity at Maximum Height ............... 7275 lbs (3300 kg)
Breakout Force ............... 11105 lbs (5048 kg)
Loader Weight ............... 1400 lbs (635 kg)

Loader Buckets

Width, in (mm) ............... 89 (2260)
Height, in (mm) ............... 34.3 (871)
Length, in (mm) ............... 43.1 (1095)
Capacity (Struck), cu.ft (m3) ............... 29.1 (0.83)
Capacity (Heaped), cu.ft (m3) ............... 35.0 (1.00)
Weight, lb (kg) ............... 966 (483)

Width, in (mm) ............... 89 (2260)
Height, in (mm) ............... 34.8 (885)
Length, in (mm) ............... 37.4 (950)
Capacity (Struck), cu.ft (m3) ............... 33.3 (0.95)
Capacity (Heaped), cu.ft (m3) ............... 40.3 (1.15)
Weight, lb (kg) ............... 1012 (460)

Cat 438C Backhoe Specifications

Dimensions and Performance Data (Standard Stick)

Maximum Digging Depth ............... 14 ft 2 in (4326 mm)
Digging Depth, 2 ft (610 mm) Flat Bottom ............... 14 ft 1 in (4288 mm)
Overall Operating Height at Full Lift ............... 18 ft 3 in (5568 mm)
Loading Height ............... 12 ft 1 in (3684 mm)
Reach From Swing Pivot at Ground Line ............... 18 ft 9 in (5711 mm)
Loading Reach ............... 5 ft 5 in (1660 mm)
Swing Arc ............... 180 degrees
Bucket Rotation (Vertical Wall Position) ............... 170 degrees
Bucket Rotation (Truck Loading Position) ............... 170 degrees
Sideshift From Machine Centerline ............... 24.9 in (630 mm)
Stabilizer Spread ............... 7 ft 9 in (2360 mm)
Digging Force (Bucket Cylinder) ............... 12195 lbs (5545 kg)
Digging Force (Crowd Cylinder) ............... 7427 lbs (3376 kg)

Dimensions and Performance Data (Extendable Stick)

Maximum Digging Depth ............... 17 ft 11 in (5455 mm)
Digging Depth, 2 ft (610 mm) Flat Bottom ............... 17 ft 9 in (5409 mm)
Overall Operating Height at Full Lift ............... 20 ft 5 in (6220 mm)
Loading Height ............... 14 ft 3 in (4344 mm)
Reach From Swing Pivot at Ground Line ............... 22 ft 2 in (6756 mm)
Loading Reach ............... 8 ft 6 in (2596 mm)
Swing Arc ............... 180 degrees
Bucket Rotation (Vertical Wall Position) ............... 165 degrees
Bucket Rotation (Truck Loading Position) ............... 165 degrees
Sideshift From Machine Centerline ............... 24.9 in (630 mm)
Stabilizer Spread ............... 7 ft 9 in (2360 mm)
Digging Force (Bucket Cylinder) ............... 12060 lbs (5480 kg)
Digging Force (Crowd Cylinder) ............... 5350 lbs (2432 kg)

Standard Material Buckets

Width, in (mm) ............... 12 (305)
Struck Capacity, cu.ft (m3) ............... 2.0 (0.06)
Heaped Capacity, cu.ft (m3) ............... 2.5 (0.07)
Number of Teeth ............... 3
Weight, lb (kg) ............... 243 (110)

Width, in (mm) ............... 18 (457)
Struck Capacity, cu.ft (m3) ............... 3.5 (0.10)
Heaped Capacity, cu.ft (m3) ............... 4.5 (0.14)
Number of Teeth ............... 4
Weight, lb (kg) ............... 287 (130)

Width, in (mm) ............... 24 (610)
Struck Capacity, cu.ft (m3) ............... 5.5 (0.16)
Heaped Capacity, cu.ft (m3) ............... 7.0 (0.20)
Number of Teeth ............... 5
Weight, lb (kg) ............... 330 (150)

Width, in (mm) ............... 30 (762)
Struck Capacity, cu.ft (m3) ............... 7.0 (0.20)
Heaped Capacity, cu.ft (m3) ............... 9.5 (0.26)
Number of Teeth ............... 5
Weight, lb (kg) ............... 364 (165)

Width, in (mm) ............... 36 (914)
Struck Capacity, cu.ft (m3) ............... 8.0 (0.23)
Heaped Capacity, cu.ft (m3) ............... 11.5 (0.31)
Number of Teeth ............... 6
Weight, lb (kg) ............... 397 (180)

Extreme Service Buckets

Width, in (mm) ............... 18 (457)
Struck Capacity, cu.ft (m3) ............... 3.0 (0.08)
Heaped Capacity, cu.ft (m3) ............... 4.0 (0.10)
Number of Teeth ............... 4
Weight, lb (kg) ............... 320 (145)

Width, in (mm) ............... 24 (610)
Struck Capacity, cu.ft (m3) ............... 5.0 (0.14)
Heaped Capacity, cu.ft (m3) ............... 6.0 (0.16)
Number of Teeth ............... 4
Weight, lb (kg) ............... 364 (165)