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Home / Backhoe Loaders / Caterpillar Backhoe Loaders / Cat 432D

Cat 432D Backhoe Loader

The Caterpillar 432D backhoe loader was manufactured from 2001 to 2006. The Cat 432D is powered by Caterpillar 3054 DIT 4-cycle 4-cylinder direct injection turbocharged diesel engine. A 268 cu.in (4.4L) engine has a cylinder bore of 4.13" (105 mm), piston stroke of 5" (127 mm), rated power of 89 hp (66 kW), and maximum torque of 386 Nm (285 lb-ft) at 1400 rpm.

The Cat 432D is fitted with two types of transmission. Type 1: 4x4 Power Shuttle transmission with single-stage torque converter. Type 2: 5x3 Auto Shift transmission with single-stage torque converter. The maximum forward speed - 19.7 mph (31.8 km/h), a maximum reverse speed - 19.7 mph (31.8 km/h). The closed center load sensing hydraulic system used a piston pump with a rated capacity of 43 gallons per minute (163 liters per minute). The main relief pressure is 228 bar (3300 psi). The Caterpillar 432D is equipped with a hydrostatic steering system, multiple disc brakes, 12.5/80-18 front tires, and 16.9x28 rear tires. The wheel base is 83" (2100 mm).

The loader has a maximum lift height of 10 ft 11 in (3321 mm) at pin and bucket dump clearance of 8 ft 7 in (2613 mm). The lift capacity is 7470 lbs (3388 kg) at maximum height (pivot pin), and breakout force is 11290 lbs (5132 kg). The 89" (2260 mm) standard material bucket has a nominal heaped capacity of 29.1 cu.ft (0.83 m3).

The backhoe with extendable stick can dig to max depth of 19 ft 4 in (5894 mm). The digging force is 6070 lbs (2760 kg) for the crowd cylinder, and 14580 lbs (6627 kg) for the bucket cylinder. The reach from swing pivot at ground line is 21 ft 10 in (6664 mm). The backhoe can be equipped with 12" (305 mm), 18" (455 mm), 24" (605 mm), 30" (760 mm), and 36" (910 mm) buckets.

Engine
Engine Model Caterpillar 3054 DIT
Engine Type Four-cylinder, direct injection turbocharged diesel
Number of Cylinders 4, In-Line
Displacement, cu in (L) 268 (4.40)
Engine Bore, in (mm) 4.13 (105.0)
Engine Stroke, in (mm) 5.00 (127.0)
Aspiration Turbocharged
Maximum Engine Power, hp (kW) 92.0 (69.0)
Rated Engine Power, hp (kW) 89.0 (66.0)
Rated Engine Speed, rpm 2200
Maximum Torque, Nm (lb-ft) 386 (285)
Torque Speed, rpm 1400
Compression 16.2:1
Emission Tier 2
Fuel System Direct Injection
Rotation Counterclockwise
Air Cleaner Dry-type axial seal
Fuel Tank Capacity, gal (L) 34.0 (128.0)
Oil Capacity, qts (L) 7.7 (7.3)
Coolant Capacity, qts (L) 15.1 (14.3)
Electrical System Rating, Volts 12
Battery Rating 750 CCA

Standard Transmission
Transmission Type (Std) 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) 19.7 (31.8)
Maximum Reverse Speed, mph (kph) 19.7 (31.8)

Optional Transmission
Transmission Type 5F/3R, Auto Shift
Number of Forward Gears 5
Number of Reverse Gears 3
Torque Converter Single-stage
Oil Capacity, qts (L) 15.9 (15.0)
Maximum Forward Speed, mph (kph) 18.2 (29.4)
Maximum Reverse Speed, mph (kph) 13.3 (21.4)

Wheels and Tires
Drive Wheels 4WD 4x4
Steering Configuration Front Steer
Steering System Hydrostatic
Steering Cylinder One, Double-acting
Steering Cylinder Bore, in (mm) 2.56 (65)
Steering Cylinder Stroke, in (mm) 9.49 (240)
Steering Cylinder Rod Diameter, in (mm) 1.43 (36)
Service Brakes Inboard, oil-immersed, multiple disc
Parking Brake Mechanical, independent
Front Tire Size 12.5/80-18 10PR
Rear Tire Size 16.9x28 10PR
Front Track Width, in (mm) 70.4 (1780)
Rear Track Width, in (mm) 67.7 (1714)


Hydraulic System
Hydraulic System Type Closed center load sensing
Hydraulic Pump Type Variable displacement, axial piston
Hydraulic Pump Flow, gpm (Lpm) 43.0 (163.0)
Hydraulic Pressure, Bar (psi) 228 (3300)
Hydraulic System Capacity, gal (L) 21.0 (79.0)
Valves Type Pressure-compensated

Dimensions and Weight
Wheelbase 83 in (2100 mm)
Transport Length 18 ft 11 in (5760 mm)
Overall Length, (Loader on ground) 18 ft 9 in (5710 mm)
Transport Height 12 ft 3 in (3740 mm)
Height (Cab) 114.6 in (2900 mm)
Height (Exhaust) 106.7 in (2700 mm)
Overall Width 94.7 in (2396 mm)
Ground Clearance 12.6 in (320 mm)
Turning Radius 17 ft 7 in (5350 mm)
Weight (Operating) 17180 lbs (7810 kg)
Weight (Maximum) 21560 lbs (9800 kg)

Loader
Bucket Hinge Pin, Maximum Height 10 ft 11 in (3321 mm)
Dump Angle at Full Height 47 degrees
Dump Clearance at Full Height 8 ft 7 in (2613 mm)
Dump Reach at Full Height 30.2 in (764 mm)
Maximum Bucket Rollback at Ground Level 40 degrees
Digging Depth 3 in (77 mm)
Maximum Grading Angle 111 degrees
Maximum Operating Height 13 ft 9 in (4201 mm)
Lift Capacity at Maximum Height 7470 lbs (3388 kg)
Breakout Force 11290 lbs (5132 kg)
Bucket Width, in (mm) 89 (2260)
Bucket Capacity, cu.ft (m3) 29.1 (0.83)
Loader Weight 981 lbs (445kg)

Backhoe (Standard Stick)
Maximum Digging Depth 15 ft 11 in (4854 mm)
Digging Depth, 2 ft (610 mm) Flat Bottom 15 ft 11 in (4850 mm)
Reach From Swing Pivot at Ground Line 18 ft 6 in (5637 mm)
Loading Height 12 ft 2 in (3712 mm)
Loading Reach 5 ft 9 in (1742 mm)
Swing Arc 180 degrees
Bucket Rotation 205 degrees
Stabilizer Width 7 ft 9 in (2360)
Digging Force (Bucket Cylinder) 14710 lbs (6686 kg)
Digging Force (Crowd Cylinder) 8590 lbs (3905 kg)
Total Side Shift Travel 4 ft 2 in (1260)

Backhoe (Extendable Stick)
Maximum Digging Depth 19 ft 4 in (5894 mm)
Digging Depth, 24 in (610 mm) Flat Bottom 19 ft 3 in (5865 mm)
Reach From Swing Pivot at Ground Line 21 ft 10 in (6664 mm)
Loading Height 14 ft (4274 mm)
Loading Reach 9 ft (2747 mm)
Swing Arc 180 degrees
Bucket Rotation 205 degrees
Stabilizer Width 7 ft 9 in (2360)
Digging Force (Bucket Cylinder) 14580 lbs (6627 kg)
Digging Force (Crowd Cylinder) 6070 lbs (2760 kg)
Total Side Shift Travel 4 ft 2 in (1260)

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