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450 Backhoe Loader

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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.

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Ergonomic Operator Station

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 sp...

Machine Performance

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 t...

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...

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

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

Cat Attachments

Steering

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

Engine

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

Tires

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

Counterweights - Front - Minimum Recommendations

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

Service Refill Capacities

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

Backhoe

Dig Depth - Standard: 17ft

Axle Ratings

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

Hydraulic System

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

Transmission

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

Weights

Front Counterweight - Counterweights - Option 3: 1015lb
Rear Counterweight: 198lb
Note (3): MP = Multi Purpose
Loader Quick Coupler: +250 kg (+551 lb)
Extendible Stick: +338 kg (+745 lb)
Loader Bucket - 1.53 m³ (2.0 yd³) GP (Hook-On): –73 kg (–162 lb)
Front Counterweight - Counterweights - Option 1: 255lb
Loader Bucket - 1.53 m³ (2.0 yd³) GP (Pin-On): +80 kg (+176 lb)
Loader Bucket - 1.34 m³ (1.75 yd³) MP HD (Pin-On): +214 kg (+472 lb)
Loader Bucket - 1.34 m³ (1.75 yd³) MP ED (Pin-On): +290 kg (+639 lb)
MP Bucket (1.00 m3/1.31 yd3) - Without Fold-Over Forks: 3622lb
Loader Bucket - 1.34 m³ (1.75 yd³) MP HD (Hook-On): +85 kg (+187 lb)
Counterweight: 2147lb
Note (2): GP = General Purpose
Note (4): HD = Heavy Duty
Loader Bucket - 1.34 m³ (1.75 yd³) MP ED (Hook-On): +160 kg (+353 lb)
MP Bucket (1.00 m3/1.31 yd3) - With Fold-Over Forks: 2018lb
Loader Bucket - 1.34 m³ (1.75 yd³) GP (Hook-On): –150 kg (–331 lb)
Cab, ROPS/FOPS: +243 kg (+536 lb)
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.
Note (5): ED = Extreme Duty
Front Counterweight - Counterweights - Option 2: 530lb
Operating Weight - Estimated*: 24039lb
Backhoe Quick Coupler: +151 kg (+333 lb)
Air Conditioning: 101lb
Cab - ROPS/FOPS: 359lb
Operating Weight - Maximum: 29321lb

Loader Bucket

Dig Depth - Standard: 3in

Standard/Optional Features

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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Emissions: Engine meets U.S. EPA Tier 4 Final emission standards.
Net Peak Torque SAE J1349: 307 ft·lbf
Front Counterweight - Counterweights - Option 3: 1015 lb

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450 Backhoe Loader

Overview