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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.

Engine

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

Dig Depth - Standard

17ft

Weights

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

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

Dig Depth - Standard

3in

Transmission

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

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

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

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

Standard Stick - MP Loader Bucket - 4WD

no counterweight

Standard Stick - GP Loader Bucket - 4WD

255lb

Tires

Standard Configuration of Front/Rear Tires

Front: 12.5 80/16.9; Rear: 16.9-24

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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