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Caterpillar 450E Backhoe Loader

Caterpillar 450E Engine

Engine Model ............... Caterpillar C4.4
Engine Type ............... 4-cylinder, direct injection turbocharged diesel
Number of Cylinders ............... Inline 4
Displacement, cu in (L) ............... 268 (4.4)
Engine Bore, in (mm) ............... 4.13 (105.0)
Engine Stroke, in (mm) ............... 5.00 (127.0)
Aspiration ............... Turbocharged
Maximum Engine Power, hp (kW) ............... 137.0 (102.0)
Rated Engine Power, hp (kW) ............... 124.0 (92.0)
Rated Engine Speed, rpm ............... 2200
Maximum Torque, Nm (lb-ft) ............... 750 (556)
Torque Speed, rpm ............... 1400
Compression ............... 16.5:1
Emission ............... Tier 3
Fuel System ............... Direct Injection
Rotation ............... Counterclockwise
Air Cleaner ............... Dry-type axial seal
Fuel Tank Capacity, gal (L) ............... 38.4 (145.0)
Oil Capacity, qts (L) ............... 9.0 (8.5)
Coolant Capacity, qts (L) ............... 27.1 (25.6)
Electrical System Rating, Volts ............... 12
Battery Rating ............... 880 CCA

Transmission Configuration

Transmission Type ............... 5F/3R, Auto Shift
Number of Forward Gears ............... 5
Number of Reverse Gears ............... 3
Torque Converter ............... Single-stage
Torque Converter Ratio ............... 2.38:1
Oil Capacity, qts (L) ............... 22.3 (21.0)
Maximum Forward Speed, mph (kph) ............... 24.9 (40.1)
Maximum Reverse Speed, mph (kph) ............... 17.0 (27.3)

Hydraulic System

Hydraulic System Type ............... Closed center load sensing
Hydraulic Pump Type ............... Variable displacement piston, secondary gear pump
Hydraulic Pump Flow, gpm (Lpm) ............... 51.3 (194.0)
System Pressure (Loader), Bar (psi) ............... 245 (3550)
System Pressure (Backhoe), Bar (psi) ............... 262 (3800)
Hydraulic System Capacity, gal (L) ............... 26.5 (100.0)

Cat 450E Wheels and Tires

Drive Wheels ............... 4WD 4x4
Steering Configuration ............... Front Steer
Steering System ............... Hydrostatic, Hand Metering Unit
Steering Cylinder ............... One, Double-acting
Steering Cylinder Bore, in (mm) ............... 3.35 (85)
Steering Cylinder Stroke, in (mm) ............... 9.32 (236)
Steering Cylinder Rod Diameter, in (mm) ............... 1.66 (42)
Service Brakes ............... Boosted, outboard, oil-immersed, multiple disc
Parking Brake ............... Mechanical, independent
Front Tire Size ............... 15x19.5 12PR
Rear Tire Size ............... 21L-24R4 18PR
Front Tread, in (mm) ............... 79.7 (2016)
Rear Tread, in (mm) ............... 71.7 (1814)

Dimensions and Weight

Wheelbase ............... 87 in (2200 mm)
Transport Length ............... 26 ft 1 in (7916 mm)
Overall Length, (Loader on ground) ............... 26 ft (7913 mm)
Transport Height ............... 13 ft 7 in (4143 mm)
Height (Cab) ............... 113.6 in (2874 mm)
Height (Exhaust) ............... 112.5 in (2845 mm)
Overall Width ............... 96.3 in (2436 mm)
Ground Clearance ............... 12.7 in (322 mm)
Turning Radius ............... 13 ft 9 in (4180 mm)
Weight (Operating) ............... 24100 lbs (10950 kg)
Weight (Maximum) ............... 27060 lbs (12300 kg)

Cat 450E Loader Specifications

Dimensions and Performance Data

Bucket Hinge Pin, Maximum Height ............... 11 ft 5 in (3486 mm)
Dump Angle at Full Height ............... 44 degrees
Dump Clearance at Full Height ............... 8 ft 8 in (2647 mm)
Dump Reach at Full Height ............... 33.9 in (858 mm)
Maximum Bucket Rollback at Ground Level ............... 40 degrees
Digging Depth ............... 9.1 in (229 mm)
Maximum Grading Angle ............... 106 degrees
Maximum Operating Height ............... 14 ft 10 in (4512 mm)
Lift Capacity at Maximum Height ............... 8439 lbs (3828 kg)
Breakout Force ............... 11746 lbs (5340 kg)
Tipping Load at Breakout Point ............... 18466 lbs (8376 kg)
Loader Weight ............... 1526 lbs (692 kg)

Loader Bucket

Width, in (mm) ............... 96 (2430)
Height, in (mm) ............... 42.7 (1080)
Length, in (mm) ............... 48.5 (1227)
Capacity (Struck), cu.ft (m3) ............... 38.2 (1.09)
Capacity (Heaped), cu.ft (m3) ............... 46.9 (1.34)
Weight, lb (kg) ............... 2220 (1010)

Cat 450E Backhoe Specifications

Dimensions and Performance Data (Standard Stick)

Maximum Digging Depth ............... 17 ft 3 in (5257 mm)
Digging Depth, 8 ft Flat Bottom ............... 16 ft 2 in (4923 mm)
Digging Depth, 2 ft Flat Bottom ............... 17 ft 2 in (5221 mm)
Reach From Swing Pivot at Ground Line ............... 22 ft 1 in (6701 mm)
Loading Height ............... 14 ft 7 in (4447 mm)
Loading Reach ............... 6 ft 10 in (2091 mm)
Maximum Operating Height ............... 21 ft 5 in (6526 mm)
Swing Arc ............... 175 degrees
Bucket Rotation ............... 198 degrees
Stabilizer Spread (Operating Position) ............... 11 ft 10 in (3614 mm)
Stabilizer Spread (Transport Position) ............... 8 ft (2451 mm)
Digging Force (Bucket Cylinder) ............... 17760 lbs (8073 kg)
Digging Force (Crowd Cylinder) ............... 11802 lbs (5365 kg)

Dimensions and Performance Data (Extendable Stick)

Maximum Digging Depth ............... 21 ft 4 in (6500 mm)
Digging Depth, 8 ft Flat Bottom ............... 20 ft 5 in (6229 mm)
Digging Depth, 2 ft Flat Bottom ............... 21 ft 3 in (6465 mm)
Reach From Swing Pivot at Ground Line ............... 25 ft 10 in (7884 mm)
Loading Height ............... 17 ft 1 in (5206 mm)
Loading Reach ............... 10 ft 2 in (3098 mm)
Maximum Operating Height ............... 24 ft 2 in (7368 mm)
Swing Arc ............... 175 degrees
Bucket Rotation ............... 198 degrees
Stabilizer Spread (Operating Position) ............... 11 ft 10 in (3614 mm)
Stabilizer Spread (Transport Position) ............... 8 ft (2451 mm)
Digging Force (Bucket Cylinder) ............... 17760 lbs (8073 kg)
Digging Force (Crowd Cylinder) ............... 8992 lbs (4087 kg)

Heavy Duty Buckets

Width, in (mm) ............... 18 (457)
Capacity, cu.ft (m3) ............... 6.7 (0.19)
Number of Teeth ............... 3
Weight, lb (kg) ............... 465 (211)

Width, in (mm) ............... 24 (610)
Capacity, cu.ft (m3) ............... 9.9 (0.28)
Number of Teeth ............... 4
Weight, lb (kg) ............... 554 (252)

Width, in (mm) ............... 30 (762)
Capacity, cu.ft (m3) ............... 13.4 (0.38)
Number of Teeth ............... 4
Weight, lb (kg) ............... 625 (283)

Width, in (mm) ............... 36 (914)
Capacity, cu.ft (m3) ............... 17.0 (0.48)
Number of Teeth ............... 6
Weight, lb (kg) ............... 719 (326)