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450 Backhoe Loader

450 Backhoe Loader

At a Glance

Net Power - SAE J1349
131 HP
Dig Depth - Standard
17 ft
Operating Weight - Maximum
29321 lb
Cab - ROPS/FOPS
359 lb
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Overview

The Cat® 450 Backhoe Loader delivers improved machine performance, a superior hydraulic system, improved operator controls and ergonomics, and overall versatility.

Engine

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Net Power - SAE J1349 131HP
Bore 4.13in
Stroke 5in
Displacement 268in³
Ratings at 2,200 rpm - Gross Power ISO 14396 143HP
Net Power - 2,200 rpm - SAE J1349 68HP
Net Peak Power Rating - SAE J1349 134HP
Net Power Rating at 2,200 rpm - SAE J1349 131HP
Net Peak Power Rating - ISO 9249 134HP
Net Torque Rise - 1,200 rpm 88%
Net Peak Power - 1,800 rpm - SAE J1349 72HP
Gross Power - SAE J1995 74HP
Net Peak Power - 1,800 rpm - ISO 9249 73HP
Rated Net Power - 2,200 rpm - ISO 9249 68HP
Net Peak Power - 1,800 rpm - EEC 80/1269 73HP
Rated Net Power - 2,200 rpm - EEC 80/1269 69HP
Ratings at 2,200 rpm - Gross Power SAE J1995 146HP
Net Torque Rise - 1,400 rpm - SAE J1349 400ft·lbf
Gross Power - ISO 14396 74HP
Net Torque Rise - 1,400 rpm 29%
Power Rating Conditions - No De-Rating Required Up To 7500ft
Net Power Rating at 2,200 rpm - ISO 9249 131HP
Engine Model C4.4 ACERT 106 kW (143 hp) Electronic – Turbo Intercooled
Net Peak Torque SAE J1349 307ft·lbf
Emissions Engine meets U.S. EPA Tier 4 Final emission standards.
Note No derating required up to 2286 m (7,500 ft).

Backhoe

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Dig Depth - Standard 17ft

Weights

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Operating Weight - Maximum 29321lb
Cab - ROPS/FOPS 359lb
Air Conditioning 101lb
Front Counterweight - Counterweights - Option 2 530lb
Operating Weight - Estimated* 24039lb
Backhoe Quick Coupler +151 kg (+333 lb)
Note (5) ED = Extreme Duty
Operating Weight - Maximum - ROPS Capacity 29321lb
Note (1) *Machine equipped with 15-19.5 12 ply front and 21L-24 16 ply rear, AWD, OROPS, 1.34 m³ (1.75 yd³) general purpose bucket with bolt-on cutting edge, standard stick, 610 mm (24"") heavy-duty backhoe bucket.
Cab, ROPS/FOPS +243 kg (+536 lb)
Loader Bucket - 1.34 m³ (1.75 yd³) GP (Hook-On) –150 kg (–331 lb)
MP Bucket (1.00 m3/1.31 yd3) - With Fold-Over Forks 2018lb
Loader Bucket - 1.34 m³ (1.75 yd³) MP ED (Hook-On) +160 kg (+353 lb)
Note (4) HD = Heavy Duty
Note (2) GP = General Purpose
Counterweight 2147lb
Loader Bucket - 1.34 m³ (1.75 yd³) MP HD (Hook-On) +85 kg (+187 lb)
MP Bucket (1.00 m3/1.31 yd3) - Without Fold-Over Forks 3622lb
Loader Bucket - 1.34 m³ (1.75 yd³) MP ED (Pin-On) +290 kg (+639 lb)
Loader Bucket - 1.34 m³ (1.75 yd³) MP HD (Pin-On) +214 kg (+472 lb)
Loader Bucket - 1.53 m³ (2.0 yd³) GP (Pin-On) +80 kg (+176 lb)
Front Counterweight - Counterweights - Option 1 255lb
Loader Bucket - 1.53 m³ (2.0 yd³) GP (Hook-On) –73 kg (–162 lb)
Extendible Stick +338 kg (+745 lb)
Loader Quick Coupler +250 kg (+551 lb)
Note (3) MP = Multi Purpose
Rear Counterweight 198lb
Front Counterweight - Counterweights - Option 3 1015lb

Hydraulic System

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Pump Type Variable Flow, Axial Piston
Pump Capacity at 2,200 rpm 58.1gal/min
System Pressure - Loader 3800psi
System Pressure - Hitch/Box Scraper 2973psi
Type Closed Center
System Pressure - Backhoe 3800psi

Loader Bucket

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Dig Depth - Standard 3in

Transmission

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Autoshift Transmission - Forward - 6th 25.2mile/h
Autoshift Transmission - Reverse - 3rd 16.9mile/h
Power Shuttle Transmission - Forward 3rd 13mile/h
Autoshift Transmission - Reverse - 2nd 7.8mile/h
Autoshift Transmission - Forward - 5th 16.9mile/h
Power Shuttle Transmission - Reverse 4th 23mile/h
Power Shuttle Transmission - Forward 1st 3.4mile/h
Autoshift Transmission - Forward - 4th 12.3mile/h
Power Shuttle Transmission - Reverse 2nd 5.5mile/h
Power Shuttle Transmission - Forward 2nd 5.5mile/h
Power Shuttle Transmission - Reverse 3rd 13mile/h
Power Shuttle Transmission - Reverse 1st 3.4mile/h
Autoshift Transmission - Forward - 1st 3.7mile/h
Autoshift Transmission - Forward - 2nd 6mile/h
Autoshift Transmission - Reverse - 1st 3.7mile/h
Autoshift Transmission - Forward - 3rd 7.8mile/h
Power Shuttle Transmission - Forward 4th 23mile/h
Note Travel speeds of two wheel drive backhoe loader at full throttle, when equipped with 21×24 rear tires.

Service Refill Capacities

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Rear Axle (Center Housing) 5gal (US)
Cooling System with Cab Heater 6gal (US)
Cooling System with Air Conditioning 4.4gal (US)
Front Axle (4WD) 2.9gal (US)
Transmission (Autoshift) - AWD, Autoshift 4.8gal (US)
Hydraulic Tank (Nominal) 14.3gal (US)
Fuel Tank 42.3gal (US)
Front Axle (Center Housing) 2.9gal (US)
Planetaries 0.2gal (US)
Diesel Exhaust Fluid (DEF) 5gal (US)
Rear Axle - Planetaries 0.4gal (US)
Front Axle (4WD) - Planetaries 0.2gal (US)
Transmission - Power Shuttle - 2WD 4gal (US)
Hydraulic System (Minimum) 34.4gal (US)
Transmission - Power Shuttle - 4WD 4gal (US)
Engine Oil - With Filter 2.3gal (US)
Rear Axle 4.4gal (US)
Hydraulic System 23.8gal (US)
Hydraulic Tank 10.6gal (US)
Note Requires ultra-low sulfur fuel less than or equal to 15 ppm fuel sulfur

Steering

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Stroke 9.29in
Rod Diameter 1.65in
Turning Circle (inner wheel not braked) - Outside Widest Loader Bucket 37.75ft
Turning Circle (inner wheel not braked) - Outside Front Wheels 27.55ft
Note AWD cylinder, one (1) double-acting.
Bore 3.35in
Power Steering Hydrostatic HMU
Type Front Wheel
Turning Circle - (inner wheel not braked) - Outside Front Wheels 26.8ft
Turning Circle - (inner wheel not braked) - Outside Widest Loader Bucket 36ft
Axle Oscillation 11°

Axle Ratings

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Rear Axle - Static 47756lb
Rear Axle - Dynamic 19103lb
Front Axle (4WD) - Dynamic 20233lb
Front Axle (4WD) - Static 50582lb
Front Axle, AWD - Static 50565lb
Front Axle, AWD - Dynamic 20225lb

Counterweights - Front - Minimum Recommendations

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Standard Stick - MP Loader Bucket - 4WD no counterweight
Standard Stick - GP Loader Bucket - 4WD 255lb

Tires

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Standard Configuration of Front/Rear Tires Front: 12.5 80/16.9; Rear: 16.9-24