450 Backhoe Loader

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

  • 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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Product Specifications

Specifications

Engine

  • Bore 4.13in

  • Displacement 268in³

  • Emissions Engine meets U.S. EPA Tier 4 Final emission standards.

  • Engine Model C4.4 ACERT 106 kW (143 hp) Electronic – Turbo Intercooled

  • Gross Power - ISO 14396 74HP

  • Gross Power - SAE J1995 74HP

  • Net Peak Power - 1,800 rpm - EEC 80/1269 73HP

  • Net Peak Power - 1,800 rpm - ISO 9249 73HP

  • Net Peak Power - 1,800 rpm - SAE J1349 72HP

  • Net Peak Power Rating - ISO 9249 134HP

  • Net Peak Power Rating - SAE J1349 134HP

  • Net Peak Torque SAE J1349 307ft·lbf

  • Net Power - 2,200 rpm - SAE J1349 68HP

  • Net Power - SAE J1349 131HP

  • Net Power Rating at 2,200 rpm - ISO 9249 131HP

  • Net Power Rating at 2,200 rpm - SAE J1349 131HP

  • Net Torque Rise - 1,200 rpm 88%

  • Net Torque Rise - 1,400 rpm 29%

  • Net Torque Rise - 1,400 rpm - SAE J1349 400ft·lbf

  • Note No derating required up to 2286 m (7,500 ft).

  • Power Rating Conditions - No De-Rating Required Up To 7500ft

  • Rated Net Power - 2,200 rpm - EEC 80/1269 69HP

  • Rated Net Power - 2,200 rpm - ISO 9249 68HP

  • Ratings at 2,200 rpm - Gross Power ISO 14396 143HP

  • Ratings at 2,200 rpm - Gross Power SAE J1995 146HP

  • Stroke 5in

Backhoe

  • Dig Depth - Standard 17ft

Weights

  • Air Conditioning 101lb

  • Backhoe Quick Coupler +151 kg (+333 lb)

  • Cab - ROPS/FOPS 359lb

  • Cab, ROPS/FOPS +243 kg (+536 lb)

  • Counterweight 2147lb

  • Extendible Stick +338 kg (+745 lb)

  • Front Counterweight - Counterweights - Option 1 255lb

  • Front Counterweight - Counterweights - Option 2 530lb

  • Front Counterweight - Counterweights - Option 3 1015lb

  • Loader Bucket - 1.34 m³ (1.75 yd³) GP (Hook-On) –150 kg (–331 lb)

  • Loader Bucket - 1.34 m³ (1.75 yd³) MP ED (Hook-On) +160 kg (+353 lb)

  • 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 (Hook-On) +85 kg (+187 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 (Hook-On) –73 kg (–162 lb)

  • Loader Bucket - 1.53 m³ (2.0 yd³) GP (Pin-On) +80 kg (+176 lb)

  • Loader Quick Coupler +250 kg (+551 lb)

  • MP Bucket (1.00 m3/1.31 yd3) - With Fold-Over Forks 2018lb

  • MP Bucket (1.00 m3/1.31 yd3) - Without Fold-Over Forks 3622lb

  • 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.

  • Note (2) GP = General Purpose

  • Note (3) MP = Multi Purpose

  • Note (4) HD = Heavy Duty

  • Note (5) ED = Extreme Duty

  • Operating Weight - Estimated* 24039lb

  • Operating Weight - Maximum 29321lb

  • Operating Weight - Maximum - ROPS Capacity 29321lb

  • Rear Counterweight 198lb

Hydraulic System

  • Pump Capacity at 2,200 rpm 58.1gal/min

  • Pump Type Variable Flow, Axial Piston

  • System Pressure - Backhoe 3800psi

  • System Pressure - Hitch/Box Scraper 2973psi

  • System Pressure - Loader 3800psi

  • Type Closed Center

Transmission

  • Autoshift Transmission - Forward - 1st 3.7mile/h

  • Autoshift Transmission - Forward - 2nd 6mile/h

  • Autoshift Transmission - Forward - 3rd 7.8mile/h

  • Autoshift Transmission - Forward - 4th 12.3mile/h

  • Autoshift Transmission - Forward - 5th 16.9mile/h

  • Autoshift Transmission - Forward - 6th 25.2mile/h

  • Autoshift Transmission - Reverse - 1st 3.7mile/h

  • Autoshift Transmission - Reverse - 2nd 7.8mile/h

  • Autoshift Transmission - Reverse - 3rd 16.9mile/h

  • Note Travel speeds of two wheel drive backhoe loader at full throttle, when equipped with 21×24 rear tires.

  • Power Shuttle Transmission - Forward 1st 3.4mile/h

  • Power Shuttle Transmission - Forward 2nd 5.5mile/h

  • Power Shuttle Transmission - Forward 3rd 13mile/h

  • Power Shuttle Transmission - Forward 4th 23mile/h

  • Power Shuttle Transmission - Reverse 1st 3.4mile/h

  • Power Shuttle Transmission - Reverse 2nd 5.5mile/h

  • Power Shuttle Transmission - Reverse 3rd 13mile/h

  • Power Shuttle Transmission - Reverse 4th 23mile/h

Service Refill Capacities

  • Cooling System with Air Conditioning 4.4gal (US)

  • Cooling System with Cab Heater 6gal (US)

  • Diesel Exhaust Fluid (DEF) 5gal (US)

  • Engine Oil - With Filter 2.3gal (US)

  • Front Axle (4WD) 2.9gal (US)

  • Front Axle (4WD) - Planetaries 0.2gal (US)

  • Front Axle (Center Housing) 2.9gal (US)

  • Fuel Tank 42.3gal (US)

  • Hydraulic System 23.8gal (US)

  • Hydraulic System (Minimum) 34.4gal (US)

  • Hydraulic Tank 10.6gal (US)

  • Hydraulic Tank (Nominal) 14.3gal (US)

  • Note Requires ultra-low sulfur fuel less than or equal to 15 ppm fuel sulfur

  • Planetaries 0.2gal (US)

  • Rear Axle 4.4gal (US)

  • Rear Axle (Center Housing) 5gal (US)

  • Rear Axle - Planetaries 0.4gal (US)

  • Transmission (Autoshift) - AWD, Autoshift 4.8gal (US)

  • Transmission - Power Shuttle - 2WD 4gal (US)

  • Transmission - Power Shuttle - 4WD 4gal (US)

Steering

  • Axle Oscillation 11°

  • Bore 3.35in

  • Note AWD cylinder, one (1) double-acting.

  • Power Steering Hydrostatic HMU

  • Rod Diameter 1.65in

  • Stroke 9.29in

  • Turning Circle (inner wheel not braked) - Outside Front Wheels 27.55ft

  • Turning Circle (inner wheel not braked) - Outside Widest Loader Bucket 37.75ft

  • Turning Circle - (inner wheel not braked) - Outside Front Wheels 26.8ft

  • Turning Circle - (inner wheel not braked) - Outside Widest Loader Bucket 36ft

  • Type Front Wheel

Axle Ratings

  • Front Axle (4WD) - Dynamic 20233lb

  • Front Axle (4WD) - Static 50582lb

  • Front Axle, AWD - Dynamic 20225lb

  • Front Axle, AWD - Static 50565lb

  • Rear Axle - Dynamic 19103lb

  • Rear Axle - Static 47756lb

Counterweights - Front - Minimum Recommendations

  • Standard Stick - GP Loader Bucket - 4WD 255lb

  • Standard Stick - MP Loader Bucket - 4WD no counterweight

Tires

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

Loader Bucket

  • Dig Depth - Standard 3in

Features

Equipment

Standard Equipment

  • 5185 mm (17 ft) center pivot excavator style backhoe

  • Adjustable auxiliary flow controls, loader and backhoe

  • Air cleaner

  • Alarm, back-up

  • Alternator, 150 amp

  • Audible system fault alarm

  • Automatic Engine Speed Control (AESC)

  • Autoshift transmission with six (6) forward and three (3) reverse gears and neutral safety switch

  • Backhoe Safety Manual

  • Battery Box, external, lockable

  • Battery disconnect switch

  • Battery, maintenance-free, 1,000 CCA

  • Boom transport lock

  • Brace, lift cylinder

  • Brake, SAHR secondary parking

  • Brakes, hydraulically boosted, oil disc, dual pedals, interlocking

  • Canopy, ROPS/FOPS

  • Cat cushion swing system

  • CD-ROM Parts Manual

  • Coat restraint

  • Coolant/antifreeze, extended life

  • Counterweight, bumper, 974 kg (2,147 lb)

  • Diagnostic port for engine, machine and gauge cluster Electronic Control Modules

  • Differential lock, loader joystick

  • Dome light (cab only)

  • Engine enclosure, sound suppression removal panels

  • Engine, Cat C4.4 ACERT (Direct Injection Turbocharged), meets Tier 4 Final/Stage IV emission standards, selective catalyst reduction, diesel oxidation catalyst (DOC)

  • Face seals, O-ring

  • Fan, suction and guard

  • Fast reversing shuttle, all gears

  • Fenders, rear

  • Filters, bowl and cartridge: fuel, hydraulic fluid

  • Filters, spin-on: engine oil, transmission oil, water separator

  • Flashing hazards/signal lights

  • Floor mat

  • Four Wheel Drive/Brake Mode Selector

  • Fuel tank, fully enclosed

  • Fully hinged front grill for cooling package cleaning access

  • Ground level fuel fill and DEF fill

  • Guard, boom protection plate

  • Guards, stabilizer, rock

  • Hammer cup

  • High ambient cooling package

  • Hood lock, inside cab

  • Hydraulic hose, XT

  • Hydraulic oil cooler

  • Hydraulic oil level sight gauge

  • Hydraulic valves, backhoe six (6) function

  • Hydraulic valves, loader three (3) function

  • Hydraulics, load sensing with variable displacement piston pump and flow sharing valve

  • Indicator lights: hydraulic implement lockout, hydraulic filter bypass, water in fuel, operator presence, remote dial throttle active, air filter blocked, engine warning, machine locked (if equipped), warning lamp, emissions module malfunction, low battery/charging system warning, high hydraulic oil temperature; LCD warnings: engine oil pressure, service due, high coolant temperature, auto idle shutdown, high torque converter temperature

  • Instrument panel lights

  • Joystick controls: electrohydraulic controls with pattern changer valve

  • Key start/stop system

  • LCD operator screen

  • Lights, working (four [4] front, four [4] rear)

  • Loader joystick, self-leveling, return-to-dig, transmission disconnect switch, Forward/Neutral/Reverse Switch, MP Auxiliary roller

  • Loader, single tilt

  • Machine Security System integrated into LCD operator display

  • Mirror, rearview

  • One-touch low idle

  • Open circuit breather

  • Operations and Maintenance Manual

  • Pattern changer, in cab

  • Power receptacle, 12 volt, one (1) internal + one (1) USB, two (2) external

  • Product Link

  • Radio ready (Cab)

  • Ride Control

  • Rubber impact strips on radiator guards

  • Seat belt, retractable, 51 mm (2 in)

  • Seat mounted controls

  • Seat, air suspension with armrest

  • Stabilizer shoes, reversible

  • Stabilizers, electrohydraulic, auto-up function

  • Starting system, glow plugs

  • Steering knob

  • Steering, hydrostatic

  • Stop and tail lights

  • Storage compartment (Cab/Canopy), lockable

  • Storage tray, electronics and miscellaneous items

  • Swing transport lock

  • Throttle, hand and foot, electronic

  • Tilt steering wheel (Canopy), Tilt/telescoping (Cab)

  • Tire Valve Stem Protection

  • Tires

  • Torque converter

  • Transmission neutralizer switch

  • Transport tie-downs

  • Vandalism locks, four (4)

  • Vandalism protection, gauge cover (Canopy)

  • Warning horn, electric

Optional Equipment

  • Battery, additional, 1,000 CCA

  • Cab, deluxe with air conditioning

  • Cold weather fuel (–30° C/–22° F)

  • Cold weather package, including additional battery, engine block heater, radiator antifreeze, cold weather fuel (–30° C/–22° F) and mounting for an ether bottle

  • Fenders, front with integral steps

  • Guard, stabilizer, stab leg bottom

  • Hydraulic lines, combined function auxiliary

  • Hydraulic valves, loader quick coupler

  • Lights, LED work lights, wide and spot

  • Loader, Quick Coupler

  • Quick Coupler, backhoe, hydraulic, dual lock

  • Radio and CD player, Bluetooth®

  • Rotating beacon, magnetic mount

  • Seat belt, 75 mm (3 in)

  • Seat, heated

  • Stick, extendible

  • Work Tool Attachments such as buckets, flip over forks, hammers and vibratory plate compactors. See your Cat dealer for more information.