The Cat® 730 EJ articulated truck offers a unique advantage by ejecting material in low-clearance areas—ideal for tunnels, overhead lines, or underground work. On-the-go ejecting cuts the need for extra equipment, speeding up cycles and boosting productivity on compact jobsites.
| Engine Model | Cat® C13B |
| Rated Payload | 30 ton (US) |
| Heaped (SAE 2:1) | 22.1 yd³ |
| Engine Model | Cat® C13B |
| Gross Power (SAE J1995) | 361 hp |
| Net Power (SAE J1349) | 351 hp |
| Engine Power (ISO 14396) | 370 hp |
| Bore | 5.1 in |
| Stroke | 6.2 in |
| Displacement | 763 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 262 kW (351 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) | 1564 lbf·ft |
| Peak Engine Torque Speed | 1200 r/min |
| Rated Payload | 30 ton (US) |
| Heaped (SAE 2:1) | 22.1 yd³ |
| Struck | 17.7 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 72 ± 2 dB(A) 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 |
| Note (2) | Hearing protection may be needed when operating with an open operator station and cab or when not properly maintained or doors/windows open for extended periods or in noisy environments. |
| Front Axle – Empty | 33356 lb |
| Center Axle – Empty | 12368 lb |
| Rear Axle – Empty | 11839 lb |
| Total – Empty | 57563 lb |
| Front Axle – Rated Load | 1433 lb |
| Center Axle – Rated Load | 29156 lb |
| Rear Axle – Rated Load | 29156 lb |
| Total – Rated Load | 59156 lb |
| Front Axle – Loaded | 34789 lb |
| Center Axle – Loaded | 41524 lb |
| Rear Axle – Loaded | 40995 lb |
| Total – Loaded | 117308 lb |
| Type | High strength Brinell HB450 wear resistant steel |
| Eject Time | 12 s |
| Retract Time | 15 s |
| Fuel Tank | 106 gal (US) |
| DEF Tank | 9 gal (US) |
| Cooling System | 21.9 gal (US) |
| Hydraulic System | 32.5 gal (US) |
| Engine Crankcase | 11.4 gal (US) |
| Transmission | 12.4 gal (US) |
| Final Drives/Differential | 33 gal (US) |
| Output Transfer Gear Box | 6.6 gal (US) |
| 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 | 148 in |
| Turning Dimensions – Aisle Width | 214 in |
| Note | Dimensions are for machines equipped with 750/65 R25 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 EJ 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 |
| Standard and optional equipment may vary. Consult your Cat dealer for details. |
| Adjustable air vents |
| Combined gear selection and hoist control lever |
| Glass windows:– Front, laminated and tinted– Sides and rear, toughened and tinted |
| Air conditioning |
| Heater and defroster with four-speed fan |
| Mirrors, exterior |
| 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– 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 |
| 10-inch touchscreen display with Cat® rearview camera |
| 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 Cellular PLE643 |
| Cat Detect with Stability Assist |
| Batteries (x2) maintenance free |
| Electrical system: 24-volt, 5A 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 single reverse transmission |
| Cat C13B engine |
| 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 |
| Reverse alarm |
| Rearview camera |
| Rollover protective structure (ROPS)/falling objects protective structure (FOPS) cab |
| Dynamic Rollover Protection |
| Rear window |
| Radiator |
| Crankcase |
| Front dump body spill guard, integral part of fabricated body |
| 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 (standard in some countries*) *Countries are EU countries plus Iceland, Norway, Lichtenstein, Switzerland, Türkiye and UK. |
| Underslung tailgate |
| Standard and optional equipment may vary. Consult your Cat dealer for details. |
| Infrared glass – high ambient cab |
| Radio, Bluetooth® stereo system |
| Window blinds |
| Mirrors, heated motorized |
| Secondary touchscreen display |
| Operator seat belt, four-point |
| Seat, heated/cooled |
| Cat Payload monitoring system |
| Product Link Dual PLE683 |
| Operator Coaching |
| Roof mounted LED work lights |
| Ether start |
| Cold weather start attachment (2 additional batteries) |
| Engine block heater |
| Flashing LED beacon |
| Fast fuel fill |
| Auto lube installation for automatic greasing of bearings |
| Cold weather coolant –51° C (–60° F) |
| Exhaust heated body |
| Fuel additive – anti-waxing |
| Wheel chocks |
