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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.

Standard Equipment


Rated Payload
31 ton (US)

Body Capacities

Heaped (SAE 2:1)
22.1 yd³
17.7 yd³


5.1 in
6.2 in
Note (4)
Net power when the fan is at maximum speed is 254 kW (341 hp) per the SAE reference conditions.
762.8 in³
Peak Engine Torque Speed
1200 r/min
Net Power - ISO 14396
370 HP
Note (2)
The power ratings apply at rated speed of 1,800 rpm when tested under the conditions for the specified standard.
Peak Engine Torque Gross (SAE J1995)
1579 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, in
Engine Model - U.S. EPA Tier 4 Final/EU Stage IV
The 730C2 EJ meets Tier 4 Final/Stage IV emission standards.
Net Power - SAE J1349
367 HP
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.
Peak Engine Torque Net (SAE J1349)
1564 ft·lbf
Gross Power - SAE J1995
375 HP
Note (1)
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.
Engine Model
Cat® C13 ACERT™
No Engine De-rating Below
12500 ft


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

Service Refill Capacities

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

Sound Levels

Interior Cab
76 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 OCT 98 is 76 dB(A), for the cab offered by Caterpillar, wh


ISO 3450 – 2011
Cab - FOPS
ISO 3449 Level II – 2005
Cab - ROPS
ISO 3471 – 2008
ISO 5010 – 2007

Operating Weights

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


Lock to Lock
4.75 seconds @ 60 rpm

Turning Circle

Turning Dimensions - Clearance Radius
318 in
Turning Dimensions - Steer Angle - Left/Right
Dimensions are for machines equipped with 750/65 tires.
Turning Dimensions - Inside Radius
153 in
Turning Dimensions - Aisle Width
210 in
Turning Dimensions - SAE Turning Radius
294 in

Body Plate

High strength Brinell HB450 wear resistant steel
  • Dashboard Liquid Crystal Display (LCD)
  • Machine Operation Monitoring System includes