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 Model Cat® C13B
Rated Payload 31 ton (US)
Heaped (SAE 2:1) 23 yd³
Gross Power (SAE J1995) 375 hp
Bore 5.1in
Displacement 762.8in³
Engine Model Cat® C13B
Engine Power (ISO 14396) 370hp
Gross Power (SAE J1995) 375hp
Net Power (SAE J1349) 367hp
No Engine De-rating Below 12500ft
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.
Peak Engine Torque Gross (SAE J1995) 1579lbf·ft
Peak Engine Torque Net (SAE J1349) 1554lbf·ft
Peak Engine Torque Speed 1200r/min
Stroke 6.2in
Rated Payload 31ton (US)
Heaped (SAE 2:1) 23yd³
Struck 18.2yd³
Tailgate Heaped SAE 2:1 24.6yd³
Tailgate Struck 19.1yd³
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
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.
Center Axle - Empty 10340lb
Center Axle - Loaded 37622lb
Center Axle - Rated Load 27282lb
Front Axle - Empty 31658lb
Front Axle - Loaded 38823lb
Front Axle - Rated Load 7165lb
Rear Axle - Empty 9833lb
Rear Axle - Loaded 37115lb
Rear Axle - Rated Load 27282lb
Total - Empty 51831lb
Total - Loaded 113560lb
Total - Rated Load 61729lb
Type High strength Brinell HB450 wear resistant steel
Base Plate 0.51in
Front Plate 0.28in
Side Plates 0.43in
Cooling System 22gal (US)
DEF Tank 9gal (US)
Engine Crankcase 11.4gal (US)
Final Drives/Differential 33gal (US)
Fuel Tank 106gal (US)
Hydraulic System 32gal (US)
Output Transfer Gear Box 7gal (US)
Transmission 12.4gal (US)
Lower Time 8s
Raise Time 12s
Brakes ISO 3450:2011
Cab - FOPS ISO 3449:2005 Level II
Cab - ROPS ISO 3471:2008
Steering ISO 5010:2019
Note Dimensions are for machines equipped with 23.5R25 tires.
Turning Dimensions - Aisle Width 210in
Turning Dimensions - Clearance Radius 318in
Turning Dimensions - Inside Radius 153in
Turning Dimensions - SAE Turning Radius 294in
Turning Dimensions - Steer Angle - Left/Right 45°
Lock to Lock 4.75 seconds @ 60 rpm
Hydraulic Excavators: 336 - Passes 5-6
Hydraulic Excavators: 350/352 - Passes 4-5
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
Wheel Loader: 950 - Passes 5
Wheel Loader: 962 - Passes 4-5
Wheel Loaders: 966/966 XE - Passes 4
Wheel Loaders: 972/972 XE - Passes 3-4
Standard and optional equipment may vary. Consult your Cat dealer for details.
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
Cat® Detect with Stability Assist
Product Link Cellular PLE643
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
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
Rollover protective structure/falling objects protective structure (ROPS/FOPS) cab
Reverse alarm
Rearview camera
Radiator
Rear window
Front dump body spill guard, integral part of fabricated body
Crankcase
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
Standard and optional equipment may vary. Consult your Cat dealer for details.
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)
Cat Payload monitoring system
Operator Coaching
Product Link Dual PLE683
Cold weather start attachment
Engine block heater
Ether start
Flashing LED beacon
Roof mounted LED work lights
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
