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450 Backhoe Loader

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

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SPECIFICATION SUMMARY
  • Net Power - SAE J1349 131 HP
  • Bore 4.13 in
  • Stroke 5 in
  • Displacement 268 in³

PRICE (USD)
Call 800-637-5000 for rate information

Engine

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

Axle Ratings

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

Weights

  • Operating Weight - Maximum
    29321 lb
  • Cab - ROPS/FOPS
    359 lb
  • Air Conditioning
    101 lb
  • Front Counterweight - Counterweights - Option 2
    530 lb
  • Operating Weight - Maximum - ROPS Capacity
    29321 lb
  • 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.
  • Front Counterweight - Counterweights - Option 1
    255 lb
  • MP Bucket (1.00 m3/1.31 yd3) - With Fold-Over Forks
    2018 lb
  • Note (4)
    HD = Heavy Duty
  • Note (2)
    GP = General Purpose
  • Counterweight
    2147 lb
  • MP Bucket (1.00 m3/1.31 yd3) - Without Fold-Over Forks
    3622 lb
  • Note (3)
    MP = Multi Purpose
  • Rear Counterweight
    198 lb
  • Front Counterweight - Counterweights - Option 3
    1015 lb

Loader Bucket

  • Dig Depth - Standard
    3 in

Hydraulic System

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

Service Refill Capacities

  • Diesel Exhaust Fluid (DEF)
    5 gal (US)
  • Cooling System with Air Conditioning
    4.4 gal (US)
  • Front Axle (4WD)
    2.9 gal (US)
  • Fuel Tank
    42.3 gal (US)
  • Rear Axle - Planetaries
    0.4 gal (US)
  • Front Axle (4WD) - Planetaries
    0.2 gal (US)
  • Transmission - Power Shuttle - 2WD
    4 gal (US)
  • Transmission - Power Shuttle - 4WD
    4 gal (US)
  • Engine Oil - With Filter
    2.3 gal (US)
  • Rear Axle
    4.4 gal (US)
  • Hydraulic System
    23.8 gal (US)
  • Hydraulic Tank
    10.6 gal (US)
  • Note
    Requires ultra-low sulfur fuel less than or equal to 15 ppm fuel sulfur

Transmission

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

Backhoe

  • Dig Depth - Standard
    17 ft

Steering

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

Counterweights - Front - Minimum Recommendations

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

Tires

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

Ergonomic Operator Station

Adjustable Seat Mounted Controls improve ergonomics by increasing operator comfort and legroom. Operators have Loader and Backhoe Controls in the palm of their hands, whether they are facing the Loader, the Backhoe, or sitting off set. Variable Speed Steer reduces operator fatigue in applications, such as truck loading, by reducing the number of steering wheel rotations required to turn the machine. The new Spring Applied Hydraulically Released (SAHR) Parking Brake is controlled by simply pressing a button.

Advanced Hydraulics

The Cat Backhoe Loader’s load sensing piston pump provides full hydraulic lifting and digging forces at any engine speed. Variable flow pump matches hydraulic power to work demands. The advanced hydraulic system allows the operator to adjust Loader and Backhoe Auxiliary Flow matching attachment specifications, program Loader Bucket Kickout and Return to Dig, and Enable Parallel Lift.

Machine Performance

The Cat C4.4 ACERT™ engine delivers solid performance and meets U.S. EPA Tier 4 Final/EU Stage IV emission standards by utilizing Selective Catalytic Reduction technology with a Diesel Oxidation Catalyst. The new Backhoe design and optimized Loader Linkage increases lift capacity and breakout forces on both ends of the machine. A redesigned Loader System provides superior machine balance and stability regardless of the ground conditions.

Machine Versatility

The all new Integrated Tool Carrier (IT Coupler) for Single Tilt Loader Arm configurations are available from the factory or for simple field installation. The Cat Backhoe Loader with Integrated Tool Carrier (IT Coupler) will be the most versatile machine on the job site providing quick connection to a variety of Cat Attachments.

Cat Attachments

A variety of Mechanical and Hydraulic Cat Backhoe Couplers are available from the factory or for field installation. Options include, but not limited to, Dual Lock Pin Grabber Couplers and Pin Lock Couplers. Redesigned General Purpose and Multi Purpose Loader Buckets increase digging performance and improve bucket durability for long term value.

Standard 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:

  • 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.
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