US
Metric

Overview

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

Engine Model
Cat® C13B
Gross Power (SAE J1995)
375.00 hp
280.00 kW
Net Power (SAE J1349)
367.00 hp
274.00 kW
Engine Power (ISO 14396)
370.00 hp
276.00 kW
Bore
5.10 in
130.00 mm
Stroke
6.20 in
157.00 mm
Displacement
762.80 in³
12.50 l
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
12500.00 ft
3810.00 m
Peak Engine Torque Gross (SAE J1995)
1579.00 lbf·ft
2141.00 N·m
Peak Engine Torque Net (SAE J1349)
1554.00 lbf·ft
2107.00 N·m
Peak Engine Torque Speed
1200.00 r/min
1200.00 r/min

Weights

Rated Payload
31.00 ton (US)
28.00 t

Body Capacities

Heaped (SAE 2:1)
23.00 yd³
17.50 m³
Struck
18.20 yd³
13.90 m³
Tailgate Heaped SAE 2:1
24.60 yd³
18.80 m³
Tailgate Struck
19.10 yd³
14.60 m³

Transmission

Forward - 1
5.00 mile/h
8.00 km/h
Forward - 2
9.00 mile/h
15.00 km/h
Forward - 3
14.00 mile/h
22.00 km/h
Forward - 4
21.00 mile/h
34.00 km/h
Forward - 5
29.00 mile/h
47.00 km/h
Forward - 6
34.00 mile/h
55.00 km/h
Reverse - 1
6.00 mile/h
9.00 km/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 speeds. The measurement was conducted with the cab doors and the cab windows closed. The cab was properly installed and maintained.
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
31658.00 lb
14360.00 kg
Center Axle - Empty
10340.00 lb
4690.00 kg
Rear Axle - Empty
9833.00 lb
4460.00 kg
Total - Empty
51831.00 lb
23510.00 kg
Front Axle - Rated Load
7165.00 lb
3250.00 kg
Center Axle - Rated Load
27282.00 lb
12375.00 kg
Rear Axle - Rated Load
27282.00 lb
12375.00 kg
Total - Rated Load
61729.00 lb
28000.00 kg
Front Axle - Loaded
38823.00 lb
17610.00 kg
Center Axle - Loaded
37622.00 lb
17065.00 kg
Rear Axle - Loaded
37115.00 lb
16835.00 kg
Total - Loaded
113560.00 lb
51510.00 kg

Body Plate

Type
High strength Brinell HB450 wear resistant steel

Body Plate Thickness

Front Plate
0.28 in
7.00 mm
Base Plate
0.51 in
13.00 mm
Side Plates
0.43 in
11.00 mm

Service Refill Capacities

Fuel Tank
106.00 gal (US)
400.00 l
DEF Tank
9.00 gal (US)
34.00 l
Cooling System
22.00 gal (US)
83.00 l
Hydraulic System
32.00 gal (US)
123.00 l
Engine Crankcase
11.40 gal (US)
43.00 l
Transmission
12.40 gal (US)
47.00 l
Final Drives/Differential
33.00 gal (US)
125.00 l
Output Transfer Gear Box
7.00 gal (US)
25.00 l

Body Hoist

Raise Time
12.00 s
12.00 s
Lower Time
8.00 s
8.00 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
294.00 in
7470.00 mm
Turning Dimensions - Clearance Radius
318.00 in
8075.00 mm
Turning Dimensions - Inside Radius
153.00 in
3879.00 mm
Turning Dimensions - Aisle Width
210.00 in
5332.00 mm
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
4-5
Hydraulic Excavators: 336 - Passes
5-6
Wheel Loaders: 972/972 XE - Passes
3-4
Wheel Loaders: 966/966 XE - Passes
4
Wheel Loader: 962 - Passes
4-5
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 production and lower system costs per unit of volume moved.
Features

PROVEN RELIABILITY

        
  • Cat C13B engine delivers high machine performance across a variety of applications.
  •     
  • Enhanced reliability through commonality and design simplicity with long life to overhaul.
  •     
  • Minimized impact of emissions systems allows excellent response and ample power.
  •     
  • Engine compression brake retarder improves response and increases retarding power for controlled descent of grades.
  •     
  • Aftertreatment technologies reduce emissions, including reducing NOx emissions by 80%.

LONG TERM VALUE AND DURABILITY

        
  • All structures and components are proven through extensive testing and customer experience.
  •     
  • Advanced suspension allows for greater speed over rough terrain while softening impact loads.
  •     
  • Front suspension oscillates ±6 degrees for a smooth ride.
  •     
  • Frames are designed to handle torque loads, decrease hitch area stress, and optimize suspension geometry.
  •     
  • Frames are robot-welded for maximum durability.
  •     
  • Redesigned dump body provides reinforced top edge on side rail.

ACHIEVE GREATER PRODUCTIVITY

        
  • Advanced Automatic Traction Control (AATC) decreases wheel slippage for maximum traction and productivity. Fully automatic with no operator action.
  •     
  • Body Height Limiting allows operators to set upper and lower height parameters, helping to increase cycle efficiency and ensure the machine operates within jobsite constraints.
  •     
  • Automatic Retarder Control (ARC) manages the retarder without any operator interaction. Fully automatic, 100% of the time.
  •     
  • Assisted Hoisting Control allows automatic tipping and lowering of the dump body at the flick of a switch.
  •     
  • Combined hoist/transmission lever, exclusive to Caterpillar, places multiple controls on the transmission lever to provide easy, intuitive control of gears and hoist functions, reducing operator interaction by as much as 50%.
  •     
  • Optional body heat solution reduces carryback in specific applications.

POWERFUL EFFICIENCY

        
  • Economy mode reduces fuel use without affecting productivity and can be engaged with a single button.
  •     
  • Next-generation machine design improves fuel economy with minimized maintenance costs and the same great power and response.
  •     
  • Innovative air-management systems optimize airflow and enhance power and fuel efficiency.
  •     
  • Advanced Mechanically-Actuated Electronically Controlled Unit Injection (MEUI)™-C injector platforms deliver increased injection pressures and more precise fuel rates.

WORK IN COMFORT

        
  • Interior space is designed to make all aspects of machine operation as simple as possible for every operator.
  •     
  • A keytouch pad enhances the operator experience, while a jog dial provides intuitive control of the updated touchscreen interface.
  •     
  • An optional system uses four discrete cameras to enhance operator visibility around the machine, while an integrated detection system provides both visual and audible alerts to indicate the presence of nearby objects.
  •     
  • Tilt and telescopic steering column designed for operator comfort and control. This adjustable column allows drivers to fine-tune the steering wheel position for optimal ergonomics, especially during long shifts or rough terrain operations.
  •     
  • Simple, intuitive control and display layouts allow the operator to focus on safe machine operation while maintaining productivity.
  •     
  • Touchscreen display allows for easy monitoring and adjustment of systems.
  •     
  • Make and receive hands-free calls via the optional Bluetooth® equipped stereo.
  •     
  • The HVAC system is now managed through the primary display, with controls accessible via the jog dial or touchscreen for enhanced operator convenience.
  •     
  • The cab features dedicated storage solutions for everyday items, ensuring convenience and organization for the operator.

TECHNOLOGY THAT GETS WORK DONE

        
  • Integrated systems give you the ability to make timely, fact-based decisions to maximize efficiency, improve productivity, and lower costs.
  •     
  • Product Link™ system connects to the machine wirelessly, allowing you to monitor location, hours, fuel use, productivity, idle time, and diagnostic codes.
  •     
  • Improved payload technology allows operators to view real-time load weights on the integrated display. Updated software and sensors provide accurate data.
  •     
  • External payload indicator lights alert the loader when to stop, reducing the risk of machine overloading.
  •     
  • Stability Assist software reports information via VisionLink™, increasing awareness of machine history if a rollover has occurred.

BUILT-IN SAFETY FEATURES

        
  • Unique safety feature Dynamic Roll Protection supports rollover prevention and works in parallel with the already successful Cat Detect with Stability Assist, reducing downtime and safety repairs from machine rollover events.
  •     
  • Enter the machine safely with machine wakeup and new stairway lighting.
  •     
  • Grab rail allows for easier and safer machine access.
  •     
  • Operator-presence detection system applies parking brake if gear is engaged and operator is not seated.
  •     
  • In-cab tertiary brake switch allows the operator to bring the machine to a safe stop in the unlikely event of both main and secondary brake circuits failing.
  •     
  • Electro-hydraulic secondary steering activates automatically if low pressure is sensed in primary system.
  •     
  • Hill Assist reduces potential rollback on grades.
  •     
  • Auto Wait Brake applies the service brakes when neutral is selected and button is pressed, allowing quick and easy control of the machine while dumping and loading.
  •     
  • Ground-level fuel fill and diesel exhaust fluid (DEF) fill tanks.

LOWER MAINTENANCE COSTS

        
  • Durable design and easier servicing mean maximized uptime and reduced service costs.
  •     
  • Universal joints are lubricated for life, eliminating any maintenance.
  •     
  • Coolant formula improves component life by reducing corrosion.
  •     
  • Entire machine is designed for greater ease of maintenance with side-tilting cab, electrically raised hood, access panels, and Cat Data Link connector.
  •     
  • Extended service intervals for the engine and transmission: 1,000 and 2,000 hours, respectively. Doubled from previous models, resulting in lower total cost of ownership.

SUSTAINABILITY

        
  • The Cat® C13B engine meets U.S. EPA Tier 4 Final, EU Stage V, Korea Stage V, and Japan 2014 emission standards.
  •     
  • Cat diesel engines are required to use ULSD (ultra-low sulfur diesel fuel with 15 ppm of sulfur or less) or ULSD blended with the following lower-carbon intensity fuels up to: 20% biodiesel FAME (fatty acid methyl ester) * or 100% renewable diesel, HVO (hydrotreated vegetable oil) and GTL (gas-to-liquid) fuels. Refer to guidelines for successful application. Please consult your Cat dealer or “Caterpillar Machine Fluids Recommendations” (SEBU6250) for details.
  •     
  • Extended maintenance intervals not only reduce downtime but decrease the amount of fluid and filters that are replaced over the life of the machine.
  •     
  • VisionLink® displays the CO2 emissions for monitored assets, calculated by fuel type for the Runtime Fuel Burned each day in a selected date range.
  •     
  • Don't waste fuel idling. Cat VisionLink® online fleet monitoring helps you manage idle time and reduce fuel burn and greenhouse gas emissions.
  •     
  • Cat® Stability Assist for Articulated Trucks helps improve machine safety and uptime by increasing awareness of machine stability during operation.
  •     
  • Cat® Production Measurement provides real-time payload weighing which help you maximize productivity, reduce fuel burn and greenhouse gas emissions, all while improving job site efficiency and lowering costs.
*Engines with no aftertreatment devices can use higher blends, up to 100% biodiesel (for use of blends higher than 20% biodiesel, consult your Cat dealer).
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
    • Cat C13B engine
    • Three axle, six-wheel drive
  • SAFETY
    • Rollover protective structure/falling objects protective structure (ROPS/FOPS) cab
    • Reverse alarm
    • Rearview camera
  • GUARDS
    • Radiator
    • Rear window
    • Front dump body spill guard, integral part of fabricated body
    • Crankcase
  • OTHER STANDARD EQUIPMENT
    • 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
Optional Equipment
  • NOTE
    • Standard and optional equipment may vary. Consult your Cat dealer for details.
  • OPERATOR ENVIRONMENT
    • 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)
  • TECHNOLOGY
    • Cat Payload monitoring system
    • Operator Coaching
    • Product Link Dual PLE683
  • ELECTRICAL AND LIGHTING
    • Cold weather start attachment
    • Engine block heater
    • Ether start
    • Flashing LED beacon
    • Roof mounted LED work lights
  • OPTIONAL EQUIPMENT
    • 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