The Cat® 740 raises the bar for operator comfort and control. Its redesigned, world‑class cab is built to deliver a smoother, smarter, more intuitive experience. With upgraded controls, built‑in transmission protection, hoist assist, advanced automatic traction control, stability‑assist rollover warnings, and an ECO mode that cuts fuel use, the 740 is engineered to keep productivity high and operating costs low.
| Engine | |
| Engine Model | Cat® C15 |
| Gross Power (SAE J1995) | 452 hp |
| Net Power (SAE J1349) | 439 hp |
| Engine Power (ISO 14396) | 447 hp |
| Bore | 5.4 in |
| Stroke | 6.75 in |
| Displacement | 926 in³ |
| Note (1) | Advertised power is tested at 1,700 rpm. |
| Note (2) | Advertised power is tested per the specified standard in effect at the time of manufacture. |
| Note (3) | The net power advertised is the power available at the flywheel when the engine is equipped with alternator, air cleaner, aftertreatment, and fan at minimum speed. |
| Note (4) | Net power when the fan is at maximum speed is 327 kW (439 hp) per the SAE reference conditions. |
| Note (5) | Meets U.S. EPA Tier 4 Final, EU Stage V, Korea Stage V, and Japan 2014 emission standards. |
| Note (6) | Diesel exhaust fluid (DEF) used in Cat selective catalytic reduction (SCR) systems must meet the requirements outlined in 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 | 10000 ft |
| Peak Engine Torque Gross (SAE J1995) | 1711 lbf·ft |
| Peak Engine Torque Net (SAE J1349) | 1670 lbf·ft |
| Peak Engine Torque Speed | 1200 r/min |
| Weights | |
| Rated Payload | 40 ton (US) |
| Body Capacities | |
| Heaped (SAE 2:1) | 29.7 yd³ |
| Struck | 23.2 yd³ |
| Tailgate Heaped SAE 2:1 | 32 yd³ |
| Tailgate Struck | 24.4 yd³ |
| Transmission | |
| Forward - 1 | 4 mile/h |
| Forward - 2 | 5.3 mile/h |
| Forward - 3 | 7.3 mile/h |
| Forward - 4 | 9.2 mile/h |
| Forward - 5 | 12.2 mile/h |
| Forward - 6 | 14.9 mile/h |
| Forward - 7 | 20.6 mile/h |
| Forward - 8 | 24.7 mile/h |
| Forward - 9 | 35.7 mile/h |
| Reverse - 1 | 4.2 mile/h |
| Reverse - 2 | 9.8 mile/h |
| Sound Levels | |
| Interior Cab | 72 dB(A) |
| Note (1) | The declared dynamic operator sound pressure level is 72 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 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 | 43200 lb |
| Center Axle - Empty | 14804 lb |
| Rear Axle - Empty | 14562 lb |
| Total - Empty | 72565 lb |
| Front Axle - Rated Load | 7002 lb |
| Center Axle - Rated Load | 36513 lb |
| Rear Axle - Rated Load | 36513 lb |
| Total - Rated Load | 80027 lb |
| Front Axle - Loaded | 50201 lb |
| Center Axle - Loaded | 51317 lb |
| Rear Axle - Loaded | 51074 lb |
| Total - Loaded | 152593 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 | 145.3 gal (US) |
| Cooling System | 23.7 gal (US) |
| Brake Cooling Tank | 17.7 gal (US) |
| Steering/Hoist Hydraulic System | 36.9 gal (US) |
| Engine Crankcase | 13.7 gal (US) |
| Transmission - OTG | 19.8 gal (US) |
| Final Drive - Each | 1.3 gal (US) |
| Axles - Each | 15.8 gal (US) |
| DEF Tank | 6.5 gal (US) |
| Body Hoist | |
| Raise Time | 12 s |
| Lower Time | 12 s |
| Standards | |
| Brakes | ISO 3450 – 2011 |
| Cab - FOPS | ISO 3449 Level II – 2005 |
| Cab - ROPS | ISO 3471 – 2008 |
| Steering | ISO 5010 – 2019 |
| Turning Circle | |
| Turning Dimensions - Steer Angle - Left/Right | 45° |
| Turning Dimensions - SAE Turning Radius | 303 in |
| Turning Dimensions - Clearance Radius | 330 in |
| Turning Dimensions - Inside Radius | 156 in |
| Turning Dimensions - Aisle Width | 220 in |
| Note | Dimensions are for machines equipped with 29.5 R25 tires. |
| Steering | |
| Lock to Lock | 4.75 seconds @ 60 rpm |
| Optimal Loader/Truck Pass Matching | |
| Hydraulic Excavator: 374 - Passes | 3-4 |
| Hydraulic Excavator: 352 - Passes | 5-6 |
| Wheel Loader: 972 - Passes | 3 |
| Wheel Loader: 966 - Passes | 4-5 |
| Wheel Loader: 962 - Passes | 5 |
| Note | An optimum system match gives you a major productivity advantage. The 740 is an excellent match for the Cat 374 and 352 Hydraulic Excavators; and Cat 972, 966, and 962 Wheel Loaders. Having matched loading and hauling tools results in increased production |
PROVEN RELIABILITY
• Cat C15 engine delivers high performance across a variety of applications.
• Class-leading transmission technology with advanced productivity electronic control strategy (APECS) and electronic clutch pressure control (ECPC).
• Enhanced reliability through commonality and design simplicity, with long life to overhaul.
• Minimized impact of emission systems allows excellent response and power.
• Engine compression brake improves retarding response and increases retarding power for controlled descent of grades.
• Aftertreatment technologies reduce emissions, including reducing NOx emissions by 80%.
DURABILITY
• All structures and components are proven through extensive testing and customer experience.
• Suspension allows 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
• High density power shift (HDPS) transmission is designed specifically for articulated trucks with nine forward/two reverse speeds and improved acceleration.
• Variable gearshift points are based on the operating conditions, reducing the use of torque converter drive and helping maintain ground speed during gear changes on grades.
• Advanced automatic traction control (AATC) decreases wheel slippage, delivering maximum traction and increased productivity. Fully automatic with no operator action.
• Truck body dimensions and other specifications are an excellent match to Cat loaders and other loading equipment, resulting in fewer passes, increased production, and lower system costs.
• Optional body heat solution reduces carry back in specific applications.
BOOST FUEL EFFICIENCY
• Economy mode reduces fuel use without affecting productivity and can be engaged with a single button.
• Advanced Mechanical Electronic Unit Injector (MEUI™) system delivers increased injection pressures and more precise fuel rates. These durable injectors enhance responsiveness while controlling soot.
• Innovative air-management systems optimize airflow and enhance power and fuel efficiency.
• Fully automatic retarder control helps prevent engine overspeed, preserves the machine without any operator intervention.
EASY, COMFORTABLE OPERATOR ENVIRONMENT
• Simple, intuitive control and display layouts allow operator to focus on safe machine operation, while maintaining productivity.
• Assisted hoisting control allows automatic tipping; full manual control can be selected.
• Combined hoist/transmission lever, exclusive to Caterpillar, places multiple controls on the transmission lever, incorporates park brake, and reduces operator interaction by as much as 50%.
• Standard air suspension seat designed to absorb shocks and enhance operator comfort during long shifts. For added comfort and climate control, an optional heated and cooled leather seat is available, offering multiple adjustments to suit individual preferences.
• Spacious cab with seats positioned for optimal operator and trainer visibility.
• High-performance HVAC system ensures optimal cabin temperature and air quality for operator comfort in all weather conditions. The advanced cooling system maintains ideal engine and transmission temperatures, even under heavy loads and extreme environments.
• Updated touchscreen display allows easy monitoring and adjustment of systems.
• Dedicated storage solutions for everyday items, ensuring convenience and organization, comfort and room for movement for the operator.
BUILT-IN SAFETY FEATURES
• Operator-presence detection system applies parking brake if gear is engaged and operator is not seated.
• Additional mirrors available to increase visibility at front of machine; touchscreen displays feed from back-up camera (standard).
• Secondary steering activates automatically if low pressure is sensed in primary system.
• Cab has integral rollover protection system and falling object protection system.
• Stability assist software monitors angles of tractor, trailer, and grade independently, increasing operator awareness of stability during operation.
• Visual and audible alarms warn operator if an unstable angle is being approached; hoisting stops automatically.
• Hill assist system reduces potential for rollback by automatically holding brakes on when stopped on a grade.
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 each machine wirelessly, allowing you to monitor location, hours, fuel use, productivity, idle time, and diagnostic codes.
• Payload technology allows operators to view real-time load weights on the integrated display.
• External payload indicator lights alert the loader when to stop, reducing the risk of machine overloading.
• Stability assist software reports information via online VisionLink®, increasing awareness of machine history if a rollover has occurred.
• Advanced productivity gives you the ability to view trends to help improve bidding accuracy and profitability.
REDUCED MAINTENANCE COSTS
• Durable design and easier servicing mean maximized uptime and reduced service costs.
• Enclosed wet brake design keeps out contaminants, extending brake life (and increasing machine uptime), while reducing replacement cost.
• Universal joints are lubricated for life, eliminating any greasing during the product lifetime.
• 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.
• Radiator is mounted behind cab for protection and ease of access.
• AATC monitors and controls differential lock and wheel speeds. This reduces machine inefficiencies as well as driveline and tire wear.
Standard Equipment:
-
- Note
-
- Standard and optional equipment may vary. Consult your Cat dealer for details.
-
- Operator Environment
-
- Air conditioning
- Secondary steering – electro hydraulic
- Windshield wiper and washer, two speed, intermittent (front)
- Seats:
– Operator: fully adjustable, air suspension, retractable lap belt
– Trainer: padded with retractable lap belt - Adjustable air vents
- Touchscreen display incorporating the rearview camera video feed
- Storage:
– Cup holder
– Flask receptacle (under the secondary seat)
– Under seat storage
– Door pocket
– Behind seat storage
– Coat hook - Combined gear selection and hoist control lever
- Heater and defroster with four-speed fan
- Sun visor
- Windows (tinted) opening both sides
- Liquid Crystal Display (LCD):
– Alert indicator
– Selected gear and direction
– Speed or auto shift
– Operation and Maintenance Manual (OMM)
– Primary steering failure (warning)
– Seat belt warning
– Secondary steering failure
– Diesel Particulate Filter (DPF) regeneration filter
– Secondary steering energy source engaged
– Hour meter
– Retarder active - Mirrors: exterior
- Glass windows:
– Front, laminated and tinted
– Sides and rear, toughened and tinted - Tilt and telescopic steering wheel
- 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
– Transmission fault
– Traction control system
– Check engine lamp
-
- Technology
-
- Product Link Cellular PLE643
- Cat Detect with Stability Assist
-
- Electrical And Lighting
-
- Electrical system: 24-volt, 10A 24- to 12-volt converter
- Horn
- Batteries (two) maintenance free
- Remote starting receptacle (cables not included)
- Main disconnect switch
- 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
-
- Powertrain
-
- Automatic Retarder: engine compression brake
- Three axle, six-wheel drive
- Clean Emission Module (CEM) and exhaust aftertreatment package
- CX38 Transmission
- Auto shift nine-speed forward and two reverse transmission
- Cat C15 engine
- Dual circuit oil immersed, enclosed brakes – all wheels
- Differentials: standard with automatic clutched inter- and cross-axle differential locks
-
- Safety
-
- ROPS/FOPS cab
- Reverse alarm
- Rearview camera
-
- Guards
-
- Front dump body spill guard, integral part of fabricated body
- Radiator
- Crankcase
- Rear window
-
- Other Standard Equipment
-
- Vandalism protection: lockable caps
- S·O·S sampling valves
- Mud flaps: wheel arch and body mounted with transportation tiebacks
- Tires, six 875/65 R29 wide tires
- Sound suppression (standard in some countries*)
-*EFTA countries are EU countries plus Iceland, Norway, Lichtenstein, Switzerland, Türkiye and UK.
Optional Equipment:
-
- Note
-
- Standard and optional equipment may vary. Consult your Cat dealer for details.
-
- Operator Environment
-
- Windshield wiper and washer, two speed (rear)
- Mirrors, heated motorized
- Operator seat belt, four-point
- Radio, Bluetooth® stereo system
- Infrared glass – high ambient cab
- Window blinds
- Seat, heated/cooled
-
- Technology
-
- Product Link Dual PLE683
- Cat® Payload monitoring system
- Machine Security System (MSS)
-
- Electrical And Lighting
-
- Cold weather start attachment
- Flashing LED beacon
- Ether start
- Roof mounted LED work lights
- Engine block heater
-
- Optional Equipment
-
- Wheel chocks
- Exhaust heated body
- Bare chassis (no body) standard wheel base
- Scissor tailgate
- Body liners
- Fuel additive – anti-waxing
- Auto lube installation for automatic greasing of bearings
- Cold weather coolant –51° C (–60° F)
- Fast fuel fill
- Bare chassis (no body) long wheel base