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730 Articulated Truck

Engine Model

Cat® C13

Rated Payload

31 ton (US)

Heaped (SAE 2:1)

23 yd³


The Cat® 730 features a world-class cab design, re-engineered using global operator feedback to advance comfort and ease of operation. Enhancements include new controls, transmission-protection features, hoist-assist system, advanced automatic traction control system, stability-assist machine rollover warning system, and a fuel saving ECO mode.


360° View


Payload - 360� Exterior view. Double click on the image to zoom in on any area of the product.


Payload - 360 Exterior view. Double click on the image to zoom in on any area of the product.


730 Virtual Product Tour



  • Engine
    Spec Value
    Engine Model Cat® C13
    Bore 5.1 in
    Stroke 6.2 in
    Displacement 762.8 in³
    Net Power - ISO 14396 370 HP
    Gross Power - SAE J1995 375 HP
    No Engine De-rating Below 12500 ft
    Peak Engine Torque Speed 1200 r/min
    Peak Engine Torque Net (SAE J1349) 1564 ft·lbf
    Net Power - SAE J1349 367 HP
    Engine Model - U.S. EPA Tier 4 Final/EU Stage V Cat C13
    Peak Engine Torque Gross (SAE J1995) 1579 ft·lbf
    Note (3) The net power advertised is the power available at the flywheel when the engine is equipped with alternator, air cleaner, muffler and fan at minimum speed.
    Emissions The 730 meets Tier 4 Final and Stage V emission standards.
    Note (2) The power ratings apply at rated speed of 1,800 rpm when tested under the conditions for the specified standard.
    Note (1) The references to Tier 4 Final/Stage V include U.S. EPA Tier 4 Final, EU Stage V, Japan 2014 (Tier 4 Final), and Korea Tier 4 Final emission standards.
    Note (4) Net power when the fan is at maximum speed is 254 kW (341 hp) per the SAE reference conditions.
    Note (5) DEF used in Cat SCR systems must meet the requirements outlined in the International Organization for Standardization (ISO) standard 22241-1. ISO 22241-1 requirements are met by many brands of DEF, including those that carry the AdBlue or API certifications.
  • Weights
    Spec Value
    Rated Payload 31 ton (US)
  • Body Capacities
    Spec Value
    Heaped (SAE 2:1) 23 yd³
    Struck 17.4 yd³
    Tailgate Heaped SAE 2:1 24.6 yd³
    Tailgate Struck 18.2 yd³
  • Transmission
    Spec Value
    Forward - 1 5 mile/h
    Forward - 2 9 mile/h
    Forward - 3 14 mile/h
    Forward - 4 21 mile/h
    Forward - 5 29 mile/h
    Forward - 6 34 mile/h
    Reverse - 1 6 mile/h
  • Sound Levels
    Spec Value
    Interior Cab 72 dB(A)
    Note (1) The operator sound exposure Leq (equivalent sound pressure level) measured according to the work cycle procedures specified in ANSI/SAE J1166 OCT98 is 72 dB(A), for the cab offered by Caterpillar, when properly installed and maintained and tested with the doors and windows closed.
    Note (2) Hearing protection may be needed when operating with an open operator station and cab (when not properly maintained or doors/windows open) for extended periods or in noisy environments.
  • Operating Weights
    Spec Value
    Front Axle - Empty 33069 lb
    Front Axle - Loaded 40300 lb
    Center Axle - Rated Load 27249 lb
    Rear Axle - Loaded 36817 lb
    Center Axle - Loaded 37302 lb
    Total - Rated Load 61729 lb
    Front Axle - Rated Load 7231 lb
    Total - Loaded 114420 lb
    Center Axle - Empty 10053 lb
    Rear Axle - Empty 9568 lb
    Total - Empty 52690 lb
    Rear Axle - Rated Load 27249 lb
  • Service Refill Capacities
    Spec Value
    Fuel Tank 108.8 gal (US)
    Cooling System 21.9 gal (US)
    Hydraulic System 29.1 gal (US)
    Engine Crankcase 10 gal (US)
    Transmission 12.4 gal (US)
    Final Drives/Differential 33 gal (US)
    Output Transfer Gear Box 6.3 gal (US)
    DEF Tank 5.3 gal (US)
  • Body Hoist
    Spec Value
    Raise Time 12 s
    Lower Time 8 s
  • Steering
    Spec Value
    Lock to Lock 4.75 seconds @ 60 rpm
  • Standards
    Spec Value
    Brakes ISO 3450 – 2011
    Cab - FOPS ISO 3449 Level II – 2005
    Cab - ROPS ISO 3471 – 2008
    Steering ISO 5010 – 2007
  • Body Plate
    Spec Value
    Type High strength Brinell HB450 wear resistant steel
  • Turning Circle
    Spec Value
    Turning Dimensions - Aisle Width 210 in
    Turning Dimensions - Steer Angle - Left/Right 45°
    Turning Dimensions - Inside Radius 153 in
    Turning Dimensions - SAE Turning Radius 294 in
    Note Dimensions are for machines equipped with 23.5R25 tires.
    Turning Dimensions - Clearance Radius 318 in
  • Body Plate Thickness
    Spec Value
    Base Plate 0.51 in
    Side Plates 0.43 in
    Front Plate 0.28 in
  • Optimal Loader/Truck Pass Matching
    Spec Value
    Wheel Loaders: 966M/966M XE - Passes 4
    Wheel Loader: 962M - Passes 4–5
    Wheel Loader: 950M - Passes 5
    Hydraulic Excavators: 336F/336F XE - Passes 5–6
    Hydraulic Excavators: 349F/349F XE - Passes 4–5
    Note An optimum system match gives you a major productivity advantage. The 730 is an excellent match for the Cat 349F and 336F Hydraulic Excavators; and Cat 972M, 966M, 962M and 950M Wheel Loaders. Having matched loading and hauling tools results in increased production and lower system costs per unit of volume moved.
    Wheel Loaders: 972M/972M XE - Passes 3–4

Standard Equipment


  • Standard and optional equipment may vary. Consult your Cat dealer for details.


  • Tilt and telescopic steering wheel
  • 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
  • Combined gear selection and hoist control lever
  • Glass windows:
    – Front, laminated and tinted
    – Sides and rear, toughened and tinted
  • Secondary steering – electro hydraulic
  • Heater and defroster with four-speed fan
  • Retractable belt: Operator seat and second seat
  • Windshield wiper and washer, two speed, intermittent (front)
  • Mirrors: extensive arrangement for improved visibility
  • Windshield wiper and washer, two speed (rear)
  • Seats:
    – Operator: fully adjustable, air suspension
    – Trainer: padded with lap belt
  • Adjustable air vents
  • Windows opening both sides, tinted
  • 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
    – Machine Security System (MSS) ready
    – Secondary steering energy source engaged
    – Hour meter
    – Retarder active
  • Sun visor
  • Touchscreen display incorporating the rearview camera video feed
  • Storage:
    – Cup holder
    – Flask receptacle
    – Under seat storage
    – Door pocket
    – Behind operator seat storage
    – Coat hook
  • Air conditioning with R134A refrigerant


  • Cat Detect with Stability Assist
  • Product Link


  • Electrical system: 24-volt, 10A 24- to 12-volt converter
  • Main disconnect switch
  • Batteries (two) maintenance free
  • 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


  • Differentials: standard with automatic clutched inter- and cross-axle differential locks
  • Auto shift six-speed forward and one reverse transmission
  • Dual circuit oil immersed, enclosed brakes – all wheels
  • Retarder: engine compression brake
  • Cat C13 engine
  • Three axle, six-wheel drive
  • Cat Clean Emission Module (CEM) and exhaust aftertreatment package


  • Rearview camera
  • ROPS/FOPS cab
  • Reverse alarm


  • Radiator
  • Rear window
  • Axle
  • Front dump body spill guard, integral part of fabricated body
  • Crankcase


  • Sound suppression (only standard in Europe)
  • Tires, six 23.5R25, radial
  • Vandalism protection: lockable caps
  • Mud flaps: wheel arch and body mounted with transportation tiebacks
  • S·O·S sampling valves

Optional Equipment


  • Standard and optional equipment may vary. Consult your Cat dealer for details.


  • Window blinds
  • Auto lube installation for automatic greasing of bearings
  • Ether start
  • Cold weather start attachment
  • Four-point seat belt
  • Machine Security System (MSS)
  • Bare chassis (no body) standard wheel base
  • Fuel additive – anti-waxing
  • Sound suppression (only standard in Europe)
  • Cold weather coolant –51° C (–60° F)
  • Wheel chocks
  • Flashing LED beacon
  • Engine block heater
  • Bluetooth radio stereo system
  • Exhaust heated body
  • Product Link Elite: PLE631 (satellite), PLE641 (cellular). Product Link is optional.
  • Heated rearview motorized mirrors
  • Body liners
  • Bare chassis (no body) long wheel base
  • Infrared glass – high ambient cab
  • Heated/cooled seat
  • Roof mounted High Intensity Discharge (HID) work lights
  • Cat Production Measurement payload monitoring system
  • Fast fuel fill
  • Tires, six 750/65R25, radial
  • Scissor tailgate