Engine Model |
Cat C18 |
Rated Payload |
45.2 t (41 t) |
Heaped (SAE 2:1) |
32.7 yd³ (25 m³) |
Bore |
5.7 in (145 mm) |
Stroke |
7.2 in (183 mm) |
Displacement |
1106 in³ (18.1 l) |
Forward – 1 |
3.8 mile/h (6.1 km/h) |
Forward – 2 |
5 mile/h (8.1 km/h) |
Forward – 3 |
7 mile/h (11.2 km/h) |
Forward – 4 |
8.8 mile/h (14.1 km/h) |
Forward – 5 |
11.6 mile/h (18.7 km/h) |
Forward – 6 |
14.2 mile/h (22.9 km/h) |
Forward – 7 |
19.6 mile/h (31.5 km/h) |
Forward – 8 |
23.5 mile/h (37.9 km/h) |
Reverse – 1 |
4 mile/h (6.4 km/h) |
Reverse – 2 |
9.1 mile/h (14.6 km/h) |
Struck |
24.2 yd³ (18.5 m³) |
Fuel Tank |
145.3 gal (US) (550 l) |
Cooling System |
23.7 gal (US) (90 l) |
Engine Crankcase |
13.7 gal (US) (52 l) |
Interior Cab |
72 dB(A) (72 dB(A)) |
Brakes |
ISO 3450 2011 |
Cab – FOPS |
ISO 3449 Level II 2005 |
Cab – ROPS |
ISO 3471 2008 |
No Engine De-rating Required Below |
10000 ft (3050 m) |
Final Drive – Each |
1.3 gal (US) (5 l) |
Base |
0.55 in (14 mm) |
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, including those that carry the AdBlue or API certifications. |
Note (1) |
The power ratings apply at rated speed of 1,700 rpm when tested under the conditions for the specified standard. |
Turning Dimensions – Steer Angle – Left/Right |
45 deg |
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, when properly installed and maintained and tested with the doors and windows closed. |
Lower (automatic) |
10 s (10 s) |
Axles – Each |
15.8 gal (US) (60 l) |
Lower (manual) |
10 s (10 s) |
Forward – 9 |
34 mile/h (54.8 km/h) |
Wheel Loader: 972 – Passes |
43926 |
Note |
An optimum system match gives you a major productivity advantage. Having matched loading and hauling tools results in increased production and lower system costs per unit of volume moved. |
Hydraulic Excavator: 374 – Passes |
5 |
Emissions |
The 745 meets Tier 4 Final and Stage V emission standards. |
Peak Engine Torque Net (SAE J1349) |
1887 ft·lbf (2558 N·m) |
Front |
0.28 in (7 mm) |
Peak Engine Torque Speed |
1200 r/min (1200 r/min) |
Side |
0.43 in (11 mm) |
Chute |
0.55 in (14 mm) |
Wheel Loader: 982 – Passes |
4 |
Turning Dimensions – SAE Turning Radius |
340 in (8625 mm) |
Peak Engine Torque Gross (SAE J1995) |
1931 ft·lbf (2618 N·m) |
Note (3) |
Net power when the fan is at maximum speed is 348 kW (467 hp) per the SAE reference conditions. |
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. |
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. |
Hydraulic Excavator: 390 – Passes |
4 |
Note |
Dimensions are for machines equipped with 29.5R25 tires. |
DEF Tank |
5.3 gal (US) (25 l) |
Turning Dimensions – Clearance Radius |
356 in (9082 mm) |
Turning Dimensions – Inside Radius |
174 in (4413 mm) |
Net Power – ISO 14396 |
504 HP (376 kW) |
Net Power – SAE J1349 |
496 HP (370 kW) |
Gross Power – SAE J1995 |
511 HP (381 kW) |
Engine Model – U.S. EPA Tier 4 Final, EU Stage V, Japan 2014 (Tier 4 Final), Korea Tier 4 Final |
Cat® C18 |
Rear Axle – Rated Load |
38691 lb (17550 kg) |
Front Axle – Empty |
43515 lb (19738 kg) |
Total – Loaded |
163942 lb (74363 kg) |
Rear Axle – Empty |
14731 lb (6682 kg) |
Rear Axle – Loaded |
53422 lb (24232 kg) |
Total – Rated Load |
90390 lb (41000 kg) |
Front Axle – Rated Load |
13007 lb (5900 kg) |
Center Axle – Rated Load |
38691 lb (17550 kg) |
Total – Empty |
73553 lb (33363 kg) |
Front Axle – Loaded |
56522 lb (25638 kg) |
Center Axle – Loaded |
54000 lb (24494 kg) |
Center Axle – Empty |
15309 lb (6944 kg) |
Type |
High Strength Brinell HB450 Wear Resistant Steel |
Steering/Hoist Hydraulic System |
36.9 gal (US) (140 l) |
Transmission – OTG |
19.8 gal (US) (75 l) |
Raise (automatic) |
13 s (13 s) |
Raise (manual) |
12 s (12 s) |
Lock to Lock |
4.8 seconds @ 60 rpm |
Turning Dimensions – Aisle Width |
233 in (5917 mm) |
Wheel Loader: 980 – Passes |
43926 |
Brake Cooling Tank |
17.69 gal (US) (67 l) |
Steering |
ISO 5010 2007 |
Tailgate Heaped SAE 2:1 |
34.7 yd³ (26.5 m³) |
Tailgate Struck |
25.5 yd³ (19.5 m³) |