Three Axle Articulated Trucks

730 EJ Articulated Truck

Engine Model

Cat® C13

Rated Payload

30 ton (US)

Heaped (SAE 2:1)

22.1 yd³


The Cat 730 EJ with a 16.9 m³ (22.1 yd³)/27.1 tonnes (30 tons) capacity, offers demonstrated reliability and durability, high performance and productivity and a new world-class cab to improve operator comfort and ease of operation.<br>Updating the successful 730C2 EJ to include the new cab design makes the 730 EJ a more attractive proposition for our customers. Class leading levels of performance and new features such as Advanced Automatic Traction Control (AATC) and Assisted Ejecting Control create operator comfort, making a productive machine all day long. The machines retain all axle enclosed wet brakes and Advanced Productivity Electronic Control Strategy (APECS).

    Body Capacities

    Heaped (SAE 2:1)

    22.1 yd³


    17.7 yd³

    Body Plate


    High strength Brinell HB450 wear resistant steel

    Eject/Retract Times

    Retract Time

    15 s

    Eject Time

    12 s


    Engine Model

    Cat® C13


    5.1 in


    6.2 in


    763 in³

    Net Power - SAE J1349

    367 HP

    No Engine De-rating Below

    12,500 ft

    Engine Model - U.S. EPA Tier 4 Final/EU Stage V

    Cat C13

    Peak Engine Torque Speed

    1,200 r/min

    Gross Power - SAE J1995

    375 HP

    Peak Engine Torque Gross (SAE J1995)

    1,579 ft·lbf

    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.

    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.


    The 730 EJ meets Tier 4 Final and Stage V emission standards.

    Note (4)

    Net power when the fan is at maximum speed is 274 kW (367 hp) per the SAE reference conditions.

    Peak Engine Torque Net (ISO 14396)

    1,564 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.

    Note (2)

    The power ratings apply at rated speed of 1,800 rpm when tested under the conditions for the specified standard.

    Net Power - ISO 14396

    370 HP

    Operating Weights

    Front Axle - Rated Load

    1,433 lb

    Center Axle - Rated Load

    29,156 lb

    Rear Axle - Empty

    11,707 lb

    Total - Loaded

    117,528 lb

    Center Axle - Empty

    12,214 lb

    Front Axle - Loaded

    35,009 lb

    Rear Axle - Rated Load

    29,156 lb

    Rear Axle - Loaded

    41,017 lb

    Total - Rated Load

    59,745 lb

    Center Axle - Loaded

    41,502 lb

    Front Axle - Empty

    34,723 lb

    Total - Empty

    58,643 lb

    Optimal Loader/Truck Pass Matching

    Wheel Loader: 950M - Passes


    Wheel Loaders: 966M/966M XE - Passes


    Wheel Loader: 962M - Passes



    An optimum system match gives you a major productivity advantage. The 730 EJ 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.

    Hydraulic Excavators: 336F/336F XE - Passes


    Hydraulic Excavators: 349F/349F XE - Passes


    Wheel Loaders: 972M/972M XE - Passes


    Service Refill Capacities

    Fuel Tank

    108.8 gal (US)

    Cooling System

    21.9 gal (US)

    Hydraulic System

    29.1 gal (US)

    Engine Crankcase

    10 gal (US)


    12.4 gal (US)

    Final Drives/Differential

    33 gal (US)

    Output Transfer Gear Box

    6.3 gal (US)

    DEF Tank

    5.3 gal (US)

    Sound Levels

    Interior Cab

    72 dB(A)

    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.

    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.



    ISO 3450 – 2011

    Cab - FOPS

    ISO 3449 Level II – 2005

    Cab - ROPS

    ISO 3471 – 2008


    ISO 5010 – 2007


    Lock to Lock

    4.75 seconds @ 60 rpm


    Forward - 1


    Forward - 2


    Forward - 3

    14 mile/h

    Forward - 4

    21 mile/h

    Forward - 5

    29 mile/h

    Forward - 6

    34 mile/h

    Reverse - 1


    Turning Circle


    Dimensions are for machines equipped with 750/65 R25 tires.

    Turning Dimensions - Inside Radius

    152 in

    Turning Dimensions - Aisle Width

    214 in

    Turning Dimensions - Steer Angle - Left/Right


    Turning Dimensions - SAE Turning Radius

    294 in

    Turning Dimensions - Clearance Radius

    318 in


    Rated Payload

    30 ton (US)

    • NOTE
      • Standard and optional equipment may vary. Consult your Cat dealer for details.
      • Adjustable air vents
      • Combined gear selection and eject control lever
      • Glass windows:
        – Front, laminated and tinted
        – Sides and rear, toughened and tinted
      • Air conditioning with R134A refrigerant
      • Heater and defroster with four-speed fan
      • Mirrors: extensive arrangement for improved visibility
      • 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
        – Eject control
        – Hydraulic system
        – Charging system
        – Retarder
        – Transmission fault
        – Traction control system
        – Check engine lamp
      • 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
      • Seats:
        – Operator: fully adjustable, air suspension
        – Trainer: padded with lap belt
      • Secondary steering – electro hydraulic
      • Storage:
        – Cup holder
        – Flask receptacle
        – Under seat storage
        – Door pocket
        – Behind operator seat storage
        – Coat hook
      • Sun visor
      • Tilt and telescopic steering wheel
      • Touchscreen display incorporating the rearview camera video feed
      • Retractable belt: Operator seat and second seat
      • Windows opening both sides, tinted
      • Windshield wiper and washer, two speed, intermittent (front)
      • Windshield wiper and washer, two speed (rear)
      • Product Link: PLE631 or PLE641 dependent on location and licensing agreement
      • Cat Detect with Stability Assist
      • Batteries (two) maintenance free
      • Electrical system: 24-volt, 10A 24- to 12-volt converter
      • 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
      • Remote starting receptacle (cables not included)
      • Auto shift six-speed forward and one reverse transmission
      • Cat C13 engine
      • Cat Clean Emission Module (CEM) and exhaust aftertreatment package
      • Differentials: standard with automatic clutched inter- and cross-axle differential locks
      • Dual circuit oil immersed, enclosed brakes – all wheels
      • Retarder: engine compression brake
      • Three axle, six-wheel drive
    • SAFETY
      • Reverse alarm
      • Rearview camera
      • ROPS/FOPS cab
    • GUARDS
      • Rear window
      • Radiator
      • Crankcase
      • Axle
      • Front dump body spill guard
      • Mud flaps: wheel arch and body mounted with transportation tiebacks
      • S·O·S sampling valves
      • Tires, six 750/65 R25 radial
      • Vandalism protection: lockable caps
      • Sound suppression (only standard in Europe)
      • Underslung tailgate

    • NOTE
      • Standard and optional equipment may vary. Consult your Cat dealer for details.
      • Engine block heater
      • Cold weather start attachment
      • Cat Production Measurement payload monitoring system
      • Fast fuel fill
      • Cold weather coolant –51° C (–60° F)
      • Exhaust heated body
      • Ether start
      • Bluetooth radio stereo system
      • Auto lube installation for automatic greasing of bearings
      • Flashing LED beacon
      • Four-point seat belt
      • Fuel additive – anti-waxing
      • Heated rearview motorized mirrors
      • Machine Security System (MSS)
      • Product Link Elite: PLE631 (satellite), PLE641 (cellular)
      • Roof mounted High Intensity Discharge (HID) work lights
      • Sound suppression (only standard in Europe)
      • Heated/cooled seat
      • Infrared glass – high ambient cab
      • Window blinds
      • Wheel chocks


    • Machines built tough and ready to run in rugged applications

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    • Full service and support to ensure performance and longevity