730C2 EJ Articulated Truck

730C2 EJ Articulated Truck

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The Cat 730C2 EJ, with a 16.9 m3 (22.1 yd3) 28 tonnes (31 tons) capacity, offers demonstrated reliability and durability, high performance and productivity, superior operator comfort and lower operating costs. Updating the successful 730C EJ to include all axle enclosed wet brakes makes the 730C2 EJ a more attractive proposition for our customers. Class leading levels of performance and operator comfort make for a productive machine all day long.


Engine Model
Cat® C13 ACERT™
5.1 in
6.2 in
762.8 in3
Gross Power – SAE J1995
375 hp
Net Power – SAE J1349
367 hp
Engine Model – U.S. EPA Tier 4 Final/EU Stage IV
Net Power – ISO 14396
370 hp
No Engine De-rating Below
12500 ft
Peak Engine Torque Gross (SAE J1995)
1579 lbf-ft
Peak Engine Torque Net (SAE J1349)
1564 lbf-ft
Peak Engine Torque Speed
1200 rpm
The reference to Tier 4 Final/Stage IV includes U.S. EPA Tier 4 Final, EU Stage IV, Japan 2014 (Tier 4 Final), as well as Korea Tier 4.
The power ratings apply at rated speed of 1,800 rpm when tested under the conditions for the specified standard.
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.
Net power when the fan is at maximum speed is 254 kW (341 hp) per the SAE reference conditions.
The 730C2 EJ meets Tier 4 Final/Stage IV emission standards.
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 certificatio


Rated Payload
31 tons

Body Capacities

Heaped SAE 2:1
22.1 yd3
17.7 yd3


Forward 1
5 mph
Forward 2
9 mph
Forward 3
14 mph
Forward 4
21 mph
Forward 5
29 mph
Forward 6
34 mph
Reverse 1
6 mph

Sound Levels

Interior Cab
76 dB(A)
The operator sound exposure Leq (equivalent sound pressure level) measured according to the work cycle procedures specified in ANSI/SAE J1166 OCT 98 is 76 dB(A), for the cab offered by Caterpillar, when properly installed and maintained and tested with th
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

Front Axle – Empty
34535 lb
Center Axle – Empty
12103 lb
Rear Axle – Empty
11552 lb
Total – Empty
58190 lb
Front Axle – Rated Load
7231 lb
Center Axle – Rated Load
27249 lb
Rear Axle – Rated Load
27249 lb
Total – Rated Load
61729 lb
Front Axle – Loaded
36013 lb
Center Axle – Loaded
42362 lb
Rear Axle – Loaded
41811 lb
Total – Loaded
120186 lb

Service Refill Capacities

Fuel Tank
108.8 gal
Cooling System
21.9 gal
Hydraulic System
29.1 gal
Engine Crankcase
10 gal
12.4 gal
Final Drives/Differential
33 gal
Output Transfer Gear Box
6.3 gal
DEF Tank
5.2 gal

Body Eject

Eject Time
12 Seconds
Retract Time
15 Seconds


Lock to Lock
4.75 seconds @ 60 rpm


ISO 3450 – 2011
ISO 3449 Level II – 2005
ISO 3471 – 2008
ISO 5010 – 2007

Body Plate

High strength Brinell HB450 wear resistant steel

Turning Circle

Dimensions are for machines equipped with 750/65 tires.
Turning Dimensions: Aisle Width
210 in
Turning Dimensions: Clearance Radius
318 in
Turning Dimensions: Inside Radius
153 in
Turning Dimensions: SAE Turning Radius
294 in
Turning Dimensions: Steer Angle – Left/Right
  • Air conditioning with R134A refrigerant
  • Adjustable air vents
  • Auto shift six-speed forward and single speed reverse transmission
  • Cat C13 ACERT engine
  • Cat Clean Emission Module (CEM) and exhaust after treatment package
  • Cat rearview camera
  • Color Multi-Purpose Display (CMPD) incorporating the rearview camera feed
  • Dashboard Liquid Crystal Display (LCD)
    • Alert indicator, selected gear and direction, speed or auto shift, review Operation and Maintenance Manual (OMM), primary steering failure, seat belt warning, secondary steering failure, Machine Security System (MSS), secondary steering energy source engaged, hour meter and retarder active
  • Differentials: automatic clutched inter and cross-axle differential locks
  • Dual circuit oil immersed, enclosed brakes – all wheels
  • Electrical system: 24 volt, 5A 24- to 12-volt converter
  • Electro hydraulic hoist control
  • Glass windows: laminated front, toughened rear and toughened opening side
  • Guards: rear window, radiator, crankcase and axle
  • Heater and defroster with four-speed fan
  • Horn: electric
  • Lights: cab interior, front, width marker, side, rear, two reversing/work light, two stop/tail lights, front and rear direction indicators
  • Machine Operation Monitoring System includes
    • Action lamp, engine oil pressure, primary steering system, left turn signal, high beam, coolant temperature, tachometer, parking brake, fuel level, right turn signal, transmission oil temperature, brake system, transmission hold, hoist control, hydraulic system, charging system, retarder, transmission fault, traction control system, check engine lamp
  • Mirrors: extensive arrangement for improved visibility
  • Mud flaps: wheel arch and body mounted with transportation tiebacks
  • Product Link PL 321 or PL 522 dependent on location and licensing agreement
  • Retarder: engine compression brake
  • Reverse/backup alarm
  • ROPS/FOPS cab
  • Seat (operator): fully adjustable, air suspension
  • Seat (second): padded companion/trainer
  • Secondary steering – electro hydraulic
  • S·O·S sampling valves
  • Spill guard: front, integral part of fabricated body
  • Starting receptacle, electric, remote
  • Storage: cup holder, under seat, door pocket, behind seat, coat hook
  • Sun visor
  • Tailgate
  • Three axle, six-wheel drive
  • Tilt and telescopic steering wheel
  • Tires, six 750/65, radial
  • Two retractable seat belts
  • Vandalism protection: lockable caps for fuel tank, DEF tank and hydraulic oil tank
  • Windshield wiper and washer, two speed, intermittent (front)
  • Windshield wiper and washer, two speed (rear)
  • Auto lube installation for automatic greasing of bearings
  • Bluetooth radio stereo system
  • Caterpillar Production Measurement (CMP) payload monitoring system
  • Cold weather coolant –51° C (–60° F)
  • Cold weather start attachment
  • Engine block heater
  • Ether start
  • Exhaust heated body
  • Fast fuel fill
  • Four point safety harness
  • Flashing LED beacon
  • Fuel additive-anti-waxing
  • Heated seat
  • Heated rearview motorized mirrors
  • Machine Security System (MSS)
  • Product Link PL 321, PL 522, VIMS Cellular, VIMS Satellite (where available)
  • Roof mounted High Intensity Discharge (HID) work lights
  • 750/65 wide tires