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 Model Cat® C15
Rated Payload 40 ton (US)
Heaped (SAE 2:1) 29.7 yd³
Gross Power (SAE J1995) 452 hp
Bore 5.4in
Displacement 926in³
Engine Model Cat® C15
Engine Power (ISO 14396) 447hp
Gross Power (SAE J1995) 452hp
Net Power (SAE J1349) 439hp
No Engine De-rating Below 10000ft
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.
Peak Engine Torque Gross (SAE J1995) 1711lbf·ft
Peak Engine Torque Net (SAE J1349) 1670lbf·ft
Peak Engine Torque Speed 1200r/min
Stroke 6.75in
Rated Payload 40ton (US)
Heaped (SAE 2:1) 29.7yd³
Struck 23.2yd³
Tailgate Heaped SAE 2:1 32yd³
Tailgate Struck 24.4yd³
Forward - 1 4mile/h
Forward - 2 5.3mile/h
Forward - 3 7.3mile/h
Forward - 4 9.2mile/h
Forward - 5 12.2mile/h
Forward - 6 14.9mile/h
Forward - 7 20.6mile/h
Forward - 8 24.7mile/h
Forward - 9 35.7mile/h
Reverse - 1 4.2mile/h
Reverse - 2 9.8mile/h
Interior Cab 72dB(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.
Center Axle - Empty 14804lb
Center Axle - Loaded 51317lb
Center Axle - Rated Load 36513lb
Front Axle - Empty 43200lb
Front Axle - Loaded 50201lb
Front Axle - Rated Load 7002lb
Rear Axle - Empty 14562lb
Rear Axle - Loaded 51074lb
Rear Axle - Rated Load 36513lb
Total - Empty 72565lb
Total - Loaded 152593lb
Total - Rated Load 80027lb
Type High strength Brinell HB450 wear resistant steel
Base Plate 0.51in
Front Plate 0.28in
Side Plates 0.43in
Axles - Each 15.8gal (US)
Brake Cooling Tank 17.7gal (US)
Cooling System 23.7gal (US)
DEF Tank 6.5gal (US)
Engine Crankcase 13.7gal (US)
Final Drive - Each 1.3gal (US)
Fuel Tank 145.3gal (US)
Steering/Hoist Hydraulic System 36.9gal (US)
Transmission - OTG 19.8gal (US)
Lower Time 12s
Raise Time 12s
Brakes ISO 3450 – 2011
Cab - FOPS ISO 3449 Level II – 2005
Cab - ROPS ISO 3471 – 2008
Steering ISO 5010 – 2019
Note Dimensions are for machines equipped with 29.5 R25 tires.
Turning Dimensions - Aisle Width 220in
Turning Dimensions - Clearance Radius 330in
Turning Dimensions - Inside Radius 156in
Turning Dimensions - SAE Turning Radius 303in
Turning Dimensions - Steer Angle - Left/Right 45°
Lock to Lock 4.75 seconds @ 60 rpm
Hydraulic Excavator: 352 - Passes 5-6
Hydraulic Excavator: 374 - Passes 3-4
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
Wheel Loader: 962 - Passes 5
Wheel Loader: 966 - Passes 4-5
Wheel Loader: 972 - Passes 3
Standard and optional equipment may vary. Consult your Cat dealer for details.
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
Product Link Cellular PLE643
Cat Detect with Stability Assist
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
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
ROPS/FOPS cab
Reverse alarm
Rearview camera
Front dump body spill guard, integral part of fabricated body
Radiator
Crankcase
Rear window
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.
Standard and optional equipment may vary. Consult your Cat dealer for details.
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
Product Link Dual PLE683
Cat® Payload monitoring system
Machine Security System (MSS)
Cold weather start attachment
Flashing LED beacon
Ether start
Roof mounted LED work lights
Engine block heater
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
