730 Articulated Truck

Haul more, dump more with the Cat® 730 articulated truck. With a 31-ton (28-tonne) payload capacity, it’s designed to boost productivity—especially on compact jobsites. Pass-matched with Cat excavators and loaders, you can move more material efficiently and with less effort.

Engine

Engine Model Cat® C13B
Gross Power (SAE J1995) 375hp
Net Power (SAE J1349) 367hp
Engine Power (ISO 14396) 370hp
Bore 5.1in
Stroke 6.2in
Displacement 762.8in³
Note (1) Advertised power is tested per the specified standard in effect at the time of manufacture.
Note (2) Advertised power is tested at 1,800 rpm.
Note (3) Net power available at the flywheel when the engine is equipped with alternator, air cleaner, muffler, and fan at minimum speed.
Note (4) Net power when the fan is at maximum speed is 274 kW (367 hp) per the SAE reference conditions.
Note (5) Meets U.S. EPA Tier 4 Final, EU Stage V, Japan 2014, and Korea Stage V emission standards.
Note (6) Diesel exhaust fluid (DEF) used in Cat SCR systems must meet the requirements outlined in ISO 22241-1:2006. ISO 22241-1 requirements are met by many brands of DEF, including those that carry the AdBlue or API certifications.
No Engine De-rating Below 12500ft
Peak Engine Torque Gross (SAE J1995) 1579lbf·ft
Peak Engine Torque Net (SAE J1349) 1554lbf·ft
Peak Engine Torque Speed 1200r/min

Weights

Rated Payload 31ton (US)

Body Capacities

Heaped (SAE 2:1) 23yd³
Struck 18.2yd³
Tailgate Heaped SAE 2:1 24.6yd³
Tailgate Struck 19.1yd³

Transmission

Forward - 1 5mile/h
Forward - 2 9mile/h
Forward - 3 14mile/h
Forward - 4 21mile/h
Forward - 5 29mile/h
Forward - 6 34mile/h
Reverse - 1 6mile/h

Sound Levels

Note (1) The declared dynamic operator sound pressure level is 70 +/- 1 when ISO 6396:2008 is used to measure the value for an enclosed cab. The measurement was conducted at 70% of the cooling fan’s maximum speed. The sound level may vary at different cooling fan
Note (2) Hearing protection may be needed when operating with an open operator station and cab or when not properly maintained or with doors/windows open for extended periods or in noisy environments.

Operating Weights

Front Axle - Empty 31658lb
Center Axle - Empty 10340lb
Rear Axle - Empty 9833lb
Total - Empty 51831lb
Front Axle - Rated Load 7165lb
Center Axle - Rated Load 27282lb
Rear Axle - Rated Load 27282lb
Total - Rated Load 61729lb
Front Axle - Loaded 38823lb
Center Axle - Loaded 37622lb
Rear Axle - Loaded 37115lb
Total - Loaded 113560lb

Body Plate

Type High strength Brinell HB450 wear resistant steel

Body Plate Thickness

Front Plate 0.28in
Base Plate 0.51in
Side Plates 0.43in

Service Refill Capacities

Fuel Tank 106gal (US)
DEF Tank 9gal (US)
Cooling System 22gal (US)
Hydraulic System 32gal (US)
Engine Crankcase 11.4gal (US)
Transmission 12.4gal (US)
Final Drives/Differential 33gal (US)
Output Transfer Gear Box 7gal (US)

Body Hoist

Raise Time 12s
Lower Time 8s

Standards

Brakes ISO 3450:2011
Cab - FOPS ISO 3449:2005 Level II
Cab - ROPS ISO 3471:2008
Steering ISO 5010:2019

Turning Circle

Turning Dimensions - Steer Angle - Left/Right 45°
Turning Dimensions - SAE Turning Radius 294in
Turning Dimensions - Clearance Radius 318in
Turning Dimensions - Inside Radius 153in
Turning Dimensions - Aisle Width 210in
Note Dimensions are for machines equipped with 23.5R25 tires.

Steering

Lock to Lock 4.75 seconds @ 60 rpm

Optimal Loader/Truck Pass Matching

Hydraulic Excavators: 350/352 - Passes 4-5
Hydraulic Excavators: 336 - Passes 5-6
Wheel Loaders: 972/972 XE - Passes 3-4
Wheel Loaders: 966/966 XE - Passes 4
Wheel Loader: 962 - Passes 4-5
Wheel Loader: 950 - Passes 5
Note An optimum system match gives you a major productivity advantage. The 730 is an excellent match for the Cat 350/352 and 336 Hydraulic Excavators and Cat 972, 966, 962, and 950 Wheel Loaders. Having matched loading and hauling tools results in increased pr

Standard Equipment

  • Note
    • Standard and optional equipment may vary. Consult your Cat dealer for details.
  • Operator Environment
    • Sun visor
    • Touchscreen display incorporating the rearview camera video feed
    • Adjustable air vents
    • Machine operation monitoring system includes:
      – Action lamp
      – Engine oil pressure
      – Primary steering system
      – Left and right turn signal
      – High beam
      – Coolant temperature
      – Tachometer
      – Parking brake
      – Fuel level
      – Transmission oil temperature
      – Brake system
      – Transmission hold
      – Hoist control
      – Hydraulic system
      – Charging system
      – Retarder
      – Transmission fault
      – Traction control system
      – Check engine lamp
    • Seats:
      – Operator: fully adjustable, air suspension
      – Trainer: padded with lap belt
    • Windshield wiper and washer, two speed, intermittent (front)
    • Liquid Crystal Display (LCD):
      – Alert indicator
      – Selected gear and direction
      – Speed or auto shift
      – Review Operation and Maintenance Manual (OMM)
      – Primary steering failure warning
      – Seat belt warning
      – Secondary steering failure warning
      – Diesel Particulate Filter (DPF) regeneration filter
      – Secondary steering energy source engaged
      – Hour meter
      – Retarder active
    • Mirrors: exterior
    • Secondary steering – electro hydraulic
    • Air conditioning
    • Glass windows:
      – Front, laminated and tinted
      – Sides and rear, toughened and tinted
    • Tilt and telescopic steering wheel
    • Combined gear selection and hoist control lever
    • Storage:
      – Cup holder
      – Flask receptacle
      – Under seat storage
      – Door pocket
      – Behind operator seat storage
      – Coat hook
    • Windows opening both sides, tinted
    • Retractable belt: Operator seat and second seat
    • Heater and defroster with four-speed fan
  • Technology
    • Cat® Detect with Stability Assist
    • Product Link Cellular PLE643
  • Electrical And Lighting
    • Electrical system: 24-volt, 10A 24- to 12-volt converter
    • Remote starting receptacle (cables not included)
    • Horn
    • Lighting systems:
      – Cab interior
      – Two head lamps
      – Two width marker
      – Two reversing
      – Work light/cab access light
      – Two stop/tail lights
      – Front and rear direction indicators
    • Main disconnect switch
    • Batteries (two) maintenance free
  • Powertrain
    • CX31 transmission
    • Dual circuit oil immersed, enclosed brakes – all wheels
    • Retarder: engine compression brake
    • Auto shift six-speed forward and single-speed reverse transmission
    • Differentials: standard with automatic clutched inter- and cross-axle differential locks
    • Clean Emission Module (CEM) and exhaust aftertreatment package
    • Cat C13B engine
    • Three axle, six-wheel drive
  • Safety
    • Rollover protective structure/falling objects protective structure (ROPS/FOPS) cab
    • Reverse alarm
    • Rearview camera
  • Guards
    • Radiator
    • Rear window
    • Front dump body spill guard, integral part of fabricated body
    • Crankcase
  • Other Standard Equipment
    • S·O·S sampling valves
    • Tires, six 23.5R25, radial
    • Mud flaps: wheel arch and body mounted with transportation tiebacks
    • Sound suppression (standard in some countries*)
      *Countries are EU countries plus Iceland, Norway, Lichtenstein, Switzerland, Türkiye and UK.
    • Vandalism protection: lockable caps

Optional Equipment

  • Note
    • Standard and optional equipment may vary. Consult your Cat dealer for details.
  • Operator Environment
    • Infrared glass – high ambient cab
    • Mirrors, heated motorized
    • Radio, Bluetooth® stereo system
    • Seat, heated/cooled
    • Operator, seat belt, four-point
    • Window blinds
    • Windshield wiper and washer, two speed (rear)
  • Technology
    • Cat Payload monitoring system
    • Operator Coaching
    • Product Link Dual PLE683
  • Electrical And Lighting
    • Cold weather start attachment
    • Engine block heater
    • Ether start
    • Flashing LED beacon
    • Roof mounted LED work lights
  • Optional Equipment
    • Auto lube installation for automatic greasing of bearings
    • Bare chassis (no body) long wheel base
    • Bare chassis (no body) standard wheel base
    • Body liners
    • Cold weather coolant –51° C (–60° F)
    • Exhaust heated body
    • Fuel additive – anti-waxing
    • Wheel chocks
    • Tires, six 750/65R25, radial
    • Fast fuel fill
    • Scissor tailgate