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
Weights
Rated Payload
31 ton (US)
Body Capacities
Heaped (SAE 2:1)
23 yd³
Struck
18.2 yd³
Tailgate Heaped SAE 2:1
24.6 yd³
Tailgate Struck
19.1 yd³
Transmission
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
Sound Levels
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.
Operating Weights
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
Body Plate
Type
High strength Brinell HB450 wear resistant steel
Body Plate Thickness
Front Plate
0.28 in
Base Plate
0.51 in
Side Plates
0.43 in
Service Refill Capacities
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)
Body Hoist
Raise Time
12 s
Lower Time
8 s
Standards
Brakes
ISO 3450:2011
Cab - FOPS
ISO 3449:2005 Level II
Cab - ROPS
ISO 3471:2008
Steering
ISO 5010:2019
Turning Circle
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.
Steering
Lock to Lock
4.75 seconds @ 60 rpm
Optimal Loader/Truck Pass Matching
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 Equipment
Note
Standard and optional equipment may vary. Consult your Cat dealer for details.
Operator Environment
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
Technology
Cat® Detect with Stability Assist
Product Link Cellular PLE643
Electrical And Lighting
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
Powertrain
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