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The Cat 745 with a 25 m³ (32.7 yd³) 41 tonnes (45.2 tons) capacity brings a new level of operator comfort and features to the market in addition to the durability, high productivity and lower operating costs Cat Articulated Trucks are known for.<br>The all-new operator cabin is a leap into the next generation for Articulated Trucks, providing our operators the best place to help build the future.

Cat Specs
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Engine

Gross Power - SAE J1995
511 HP
Emissions
The 745 meets Tier 4 Final and Stage V emission standards.
Net Power - SAE J1349
496 HP
Net Power - ISO 14396
504 HP
Bore
5.7 in
Stroke
7.2 in
Displacement
1106 in²
Note (3)
Net power when the fan is at maximum speed is 348 kW (467 hp) per the SAE reference conditions.
Note (4)
DEF used in Cat SCR systems must meet the requirements outlined in the International Organization for Standardization (ISO) standard 22241-1. ISO 22241-1 requirements are met by many brands of DEF, in
Peak Engine Torque Net (SAE J1349)
1887 ft·lbf
Engine Model
Cat C18
Note (2)
The net power advertised is the power available at the flywheel when the engine is equipped with alternator, air cleaner, muffler and fan at minimum speed.
Peak Engine Torque Gross (SAE J1995)
1931 ft·lbf
Note (1)
The power ratings apply at rated speed of 1,700 rpm when tested under the conditions for the specified standard.
Peak Engine Torque Speed
1200 r/min

Weights

Rated Payload
45.2 ton (US)

Body Capacities

Heaped (SAE 2:1)
32.7 yd³
Struck
24.2 yd³
Tailgate Heaped SAE 2:1
34.7 yd³
Tailgate Struck
25.5 yd³

Transmission

Forward - 5
11.6 mile/h
Forward - 6
14.2 mile/h
Forward - 7
19.6 mile/h
Forward - 1
3.8 mile/h
Forward - 2
5 mile/h
Reverse - 1
4 mile/h
Reverse - 2
9.1 mile/h
Forward - 3
7 mile/h
Forward - 4
8.8 mile/h

Service Refill Capacities

Final Drive - Each
1.3 gal (US)
Fuel Tank
145.3 gal (US)
Cooling System
23.7 gal (US)
Steering/Hoist Hydraulic System
36.9 gal (US)
DEF Tank
5.3 gal (US)
Engine Crankcase
13.7 gal (US)

Sound Levels

Interior Cab
72 dB(A)
Note (1)
The operator sound exposure Leq (equivalent sound pressure level) measured according to the work cycle procedures specified in ANSI/SAE J1166 OCT98 is 76 dB(A), for the cab offered by Caterpillar, whe
Note (2)
Hearing protection may be needed when operating with an open operator station and cab (when not properly maintained or doors/windows open) for extended periods or in noisy environments.

Standards

Brakes
ISO 3450 – 2011
Cab - FOPS
ISO 3449 Level II – 2005
Cab - ROPS
ISO 3471 – 2008
Steering
ISO 5010 – 2007

Shipping

UPC
Cat® C18

Operating Weights

Rear Axle - Rated Load
38691 lb
Total - Empty
73553 lb
Rear Axle - Empty
14731 lb
Center Axle - Empty
15309 lb
Front Axle - Rated Load
13007 lb
Front Axle - Empty
43515 lb
Front Axle - Loaded
56522 lb
Rear Axle - Loaded
53422 lb
Center Axle - Rated Load
38691 lb
Total - Loaded
163942 lb
Center Axle - Loaded
54000 lb
Total - Rated Load
90390 lb

Turning Circle

Turning Dimensions - Inside Radius
174 in
Note
Dimensions are for machines equipped with 29.5R25 tires.
Turning Dimensions - Clearance Radius
356 in
Turning Dimensions - Steer Angle - Left/Right
45 deg
Turning Dimensions - Aisle Width
233 in
Turning Dimensions - SAE Turning Radius
340 in

Body Plate

Type
High Strength Brinell HB450 Wear Resistant Steel

Steering

Lock to Lock
4.8 seconds @ 60 rpm