Cat 740

Cat 740 GC (Cat C15, Brazil MAR-1 / Tier 3-equivalent or non-certified engine, 29.5 R25 tyres) per Cat technical specifications AEXQ2606-03 (Jul 2025) for Afr-ME - the sheet Al-Bahar links; Al-Bahar lists the same truck as both "740 GC" and "740" with identical figures, and Cat's Dec 2025 "740" key-features sheet (AEXQ4570-00) for the same regions adds no new figures.

UAEUSAGlobal

Payload (nominal): 40 tons
power: 434 hp
Operating weight: 71,782 lb
Body capacity (SAE 2:1 heaped): 29.7 yd³

Side

Front

Overall length: 36'3"
Overall length with tailgate: 36'8"
Overall width: 12'4"
Overall height (cab): 12'3"
Loading height: 10'8"
Dump height (body raised): 22'0"
Ground clearance: 1'9"
Ground clearance, body fully tipped: 2'2"
Front axle to machine front: 11'2"
Front axle to mid axle: 13'6"
Tandem axle spacing: 6'5"
Rear axle to body rear: 5'1"
Body length: 19'4"
Body length, inside: 17'10"
Width over tailgate: 12'0"
Body width: 11'2"
Track width: 8'9"
Width over tyres: 11'1"
Width over fenders: 11'5"

Weight

Operating weight (Total, empty): 71,782 lb
Payload (nominal) (Rated payload): 40 tons
Gross machine weight (loaded) (Total, loaded): 151,810 lb
Front axle load, empty: 42,097 lb
Centre axle load, empty: 14,958 lb
Rear axle load, empty: 14,727 lb
Front axle load, loaded: 49,099 lb
Centre axle load, loaded: 51,471 lb
Rear axle load, loaded: 51,240 lb

Body

Body capacity (SAE 2:1 heaped): 29.7 yd³
Body capacity (struck): 23.2 yd³
Body capacity with tailgate (SAE 2:1 heaped): 31.9 yd³
Body capacity with tailgate (struck): 23.4 yd³
Body plate: High strength Brinell HB450 wear resistant steel
Body plate thickness, front: 0.28 in
Body plate thickness, base: 0.51 in
Body plate thickness, sides: 0.43 in
Body raise time: 12 s
Body lower time: 12 s

Engine

Engine model: Cat C15
Emissions (Two engine options): Brazil MAR-1 (equivalent to U.S. EPA Tier 3 / EU Stage IIIA) or non-certified (equivalent to Tier 2 / Stage II)
Gross power (SAE J1995, at 1,700 rpm): 449 hp
Net power (SAE J1349): 434 hp
Engine power (ISO 14396): 443 hp
Max torque (Gross, SAE J1995:2014, at 1,200 rpm): 1,711 lbf-ft
Max torque (net) (SAE J1349:2011, at 1,200 rpm): 1,670 lbf-ft
Displacement: 926 in³
Bore x stroke: 137 mm x 171.5 mm
No engine derating below (Altitude): 10,000 ft

Transmission

Transmission: Cat CX38 auto shift, 9F/2R
Top speed (Forward 9): 35.7 mph
Reverse speed (Reverse 2): 9.8 mph

Steering

Steer angle (Left/right from centre): 45°
SAE turning radius: 303 in
Clearance radius: 330 in
Inside radius: 156 in
Aisle width: 220 in
Lock to lock time: 4.75 s at 60 rpm

Tyres

Tyres (Turning dimensions are for 29.5 R25): Six 29.5 R25

Service capacities

Fuel tank: 145.3 gal
Cooling system: 23.7 gal
Brake cooling tank: 17.7 gal
Hydraulic system, with tank (Steering/hoist hydraulic system): 36.9 gal
Engine oil, with filter (Engine crankcase): 13.7 gal
Transmission/output transfer gear: 19.8 gal
Final drives (each): 1.3 gal
Axles (each): 15.8 gal

Service intervals

Engine oil and filter: 500 hours
Fuel filters (primary and secondary): 500 hours
Transmission oil filter: 500 hours
Transmission oil (includes the output transfer gear): 1,000 hours
Differential and final drive oil (front, centre and rear axles): 2,000 hours
Brake system oil: 2,000 hours
Hydraulic oil: 4,000 hours
Coolant: 12,000 hours