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 |
| Engine Model | Cat® C13B |
| Gross Power (SAE J1995) | 375 hp |
| Net Power (SAE J1349) | 367 hp |
| Engine Power (ISO 14396) | 370 hp |
| Bore | 5.1 in |
| Stroke | 6.2 in |
| Displacement | 762.8 in³ |
| 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. |
| No Engine De-rating Below | 12500 ft |
| Peak Engine Torque Gross (SAE J1995) | 1579 lbf·ft |
| Peak Engine Torque Net (SAE J1349) | 1554 lbf·ft |
| Peak Engine Torque Speed | 1200 r/min |
| Rated Payload | 31 ton (US) |
| Heaped (SAE 2:1) | 23 yd³ |
| Struck | 18.2 yd³ |
| Tailgate Heaped SAE 2:1 | 24.6 yd³ |
| Tailgate Struck | 19.1 yd³ |
| 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 |
| 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. |
| Front Axle – Empty | 31658 lb |
| Center Axle – Empty | 10340 lb |
| Rear Axle – Empty | 9833 lb |
| Total – Empty | 51831 lb |
| Front Axle – Rated Load | 7165 lb |
| Center Axle – Rated Load | 27282 lb |
| Rear Axle – Rated Load | 27282 lb |
| Total – Rated Load | 61729 lb |
| Front Axle – Loaded | 38823 lb |
| Center Axle – Loaded | 37622 lb |
| Rear Axle – Loaded | 37115 lb |
| Total – Loaded | 113560 lb |
| Type | High strength Brinell HB450 wear resistant steel |
| Front Plate | 0.28 in |
| Base Plate | 0.51 in |
| Side Plates | 0.43 in |
| Fuel Tank | 106 gal (US) |
| DEF Tank | 9 gal (US) |
| Cooling System | 22 gal (US) |
| Hydraulic System | 32 gal (US) |
| Engine Crankcase | 11.4 gal (US) |
| Transmission | 12.4 gal (US) |
| Final Drives/Differential | 33 gal (US) |
| Output Transfer Gear Box | 7 gal (US) |
| Raise Time | 12 s |
| Lower Time | 8 s |
| Brakes | ISO 3450:2011 |
| Cab – FOPS | ISO 3449:2005 Level II |
| Cab – ROPS | ISO 3471:2008 |
| Steering | ISO 5010:2019 |
| Turning Dimensions – Steer Angle – Left/Right | 45° |
| Turning Dimensions – SAE Turning Radius | 294 in |
| Turning Dimensions – Clearance Radius | 318 in |
| Turning Dimensions – Inside Radius | 153 in |
| Turning Dimensions – Aisle Width | 210 in |
| Note | Dimensions are for machines equipped with 23.5R25 tires. |
| Lock to Lock | 4.75 seconds @ 60 rpm |
| Hydraulic Excavators: 350/352 – Passes | 5-Apr |
| Hydraulic Excavators: 336 – Passes | 6-May |
| Wheel Loaders: 972/972 XE – Passes | 4-Mar |
| Wheel Loaders: 966/966 XE – Passes | 4 |
| Wheel Loader: 962 – Passes | 5-Apr |
| Wheel Loader: 950 – Passes | 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 |
| 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 |
