- Category: Off-Highway Trucks ➔
- Manufacturer: Caterpillar ➔
- Model: 745 ➔
The Caterpillar 745 is a heavy-duty off-highway truck designed for large-scale mining and construction operations. Featuring a robust frame and advanced drivetrain, the Cat 745 delivers high payload capacity and excellent fuel efficiency. Its integrated Cat C32 engine provides reliable power and meets stringent emissions standards. The truck incorporates advanced technology for enhanced operator comfort, safety, and productivity, including an ergonomic cab and intuitive controls. With superior suspension and traction systems, the Caterpillar 745 ensures stability and performance on rough terrain. This off-highway truck is engineered for durability, low maintenance, and optimized hauling in demanding environments.
General Specifications
| Articulated/Rigid | Articulated Starting 2024 Model Year |
| Drive Configuration | 6WD Starting 2019 Model Year |
| Engine Type | Cat C18 Starting 2024 Model Year |
| Mfg. Model | 745 Starting 2019 Model Year |
| Operating Weight lbs (kg) | 73,553 (33,363) Starting 2019 Model Year |
| Planetary Powershift Transmission | Powershift w/ lockup torque converter Starting 2019 Model Year |
| Rated Payload Tons (Metric Tons) | 45 (41) Starting 2019 Model Year |
BODY CAPACITIES
| Heaped (SAE 2:1) | 33 cu yd (25 cu m)
|
| Struck | 24 cu yd (19 cu m)
|
| Tailgate Heaped SAE 2:1 | 35 cu yd (27 cu m)
|
| Tailgate Struck | 26 cu yd (19 cu m)
|
BODY HOIST
| Lower (automatic) | 10 s
|
| Lower (manual) | 10 s
|
| Raise (automatic) | 13 s
|
| Raise (manual) | 12 s
|
BODY PLATE
| Base | 1 in (1 cm)
|
| Chute | 1 in (1 cm)
|
| Front | 0 in (1 cm)
|
| Side | 0 in (1 cm)
|
| Type | High Strength Brinell HB450 Wear Resistant Steel
|
ENGINE
| Bore | 6 in (14 cm)
|
| Displacement | 1,106 cu in (18,124 cu cm)
|
| Emissions | Meets Tier 4 Final and Stage V standards
|
| Engine Model | Cat C18
|
| Engine Model - Regulations | Cat® C18 (U.S. EPA Tier 4 Final EU Stage V etc.)
|
| Gross Power - SAE J1995 | 511 hp (381 kw)
|
| Net Power - ISO 14396 | 504 hp (376 kw)
|
| Net Power - SAE J1349 | 496 hp (370 kw)
|
| Peak Engine Torque Gross (SAE J1995) | 1,931 lbs ft (2,618 nm)
|
| Peak Engine Torque Net (SAE J1349) | 1,887 lbs ft (2,558 nm)
|
| Peak Engine Torque Speed | 1200 r/min
|
| Stroke | 7 in (18 cm)
|
NOTES ON ENGINE
| Note (1) | Power ratings at 1700 rpm
|
| Note (2) | Power at the flywheel with minimum equipment
|
| Note (3) | Net power with fan at max is 348 kW (467 hp)
|
| Note (4) | DEF must meet ISO 22241-1 standard
|
OPERATING WEIGHTS
| Center Axle - Empty | 15,309 lbs (6,944 kg)
|
| Center Axle - Loaded | 54,000 lbs (24,494 kg)
|
| Center Axle - Rated Load | 38,691 lbs (17,550 kg)
|
| Front Axle - Empty | 43,515 lbs (19,738 kg)
|
| Front Axle - Loaded | 56,522 lbs (25,638 kg)
|
| Front Axle - Rated Load | 13,007 lbs (5,900 kg)
|
| Rear Axle - Empty | 14,731 lbs (6,682 kg)
|
| Rear Axle - Loaded | 53,422 lbs (24,232 kg)
|
| Rear Axle - Rated Load | 38,691 lbs (17,550 kg)
|
| Total - Empty | 73,553 lbs (33,363 kg)
|
| Total - Loaded | 163,942 lbs (74,363 kg)
|
| Total - Rated Load | 90,390 lbs (41,000 kg)
|
SERVICE REFILL CAPACITIES
| Axles - Each | 16 gal (60 l)
|
| Brake Cooling Tank | 18 gal (67 l)
|
| Cooling System | 24 gal (90 l)
|
| DEF Tank | 5 gal (20 l)
|
| Engine Crankcase | 14 gal (52 l)
|
| Final Drive - Each | 1 gal (5 l)
|
| Fuel Tank | 145 gal (550 l)
|
| Steering/Hoist Hydraulic System | 37 gal (140 l)
|
| Transmission - OTG | 20 gal (75 l)
|
SOUND LEVELS
| Interior Cab | 72 dB(A)
|
| Note (1) | Operator sound exposure Leq is 76 dB(A)
|
| Note (2) | Hearing protection may be needed in certain settings
|
STANDARDS
| Brakes | ISO 3450 – 2011
|
| Cab - FOPS | ISO 3449 Level II – 2005
|
| Cab - ROPS | ISO 3471 – 2008
|
| Steering | ISO 5010 – 2007
|
STEERING
| Lock to Lock | 4.8 seconds @ 60 rpm
|
TRANSMISSION
| Forward - 1 | 4 mph (6 kph)
|
| Forward - 2 | 5 mph (8 kph)
|
| Forward - 3 | 7 mph (11 kph)
|
| Forward - 4 | 9 mph (14 kph)
|
| Forward - 5 | 12 mph (19 kph)
|
| Forward - 6 | 14 mph (23 kph)
|
| Forward - 7 | 20 mph (32 kph)
|
| Forward - 8 | 24 mph (38 kph)
|
| Forward - 9 | 34 mph (55 kph)
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| Reverse - 1 | 4 mph (6 kph)
|
| Reverse - 2 | 9 mph (15 kph)
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TURNING CIRCLE
| Note | Dimensions are for machines equipped with 29.5R25 tires.
|
| Turning Dimensions - Aisle Width | 233 in (592 cm)
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| Turning Dimensions - Clearance Radius | 359 in (912 cm)
|
| Turning Dimensions - Inside Radius | 174 in (442 cm)
|
| Turning Dimensions - SAE Turning Radius | 340 in (864 cm)
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| Turning Dimensions - Steer Angle - Left/Right | 45°
|
WEIGHTS
| Rated Payload | 45 t (45,200 kg)
|