CAT 745 Articulated Truck

A high-production articulated haul truck designed for demanding construction, quarrying, mining, earthmoving, and large-scale material hauling applications. The CAT 745 combines a 45.2 ton / 41,000 kg rated payload with a 33.4 yd³ / 25.5 m³ heaped body, a powerful Cat C18 diesel engine, advanced automatic traction control, and a nine-speed forward transmission for excellent hauling performance in rough and challenging conditions.

Specifications

Rated Payload: 45.2 ton / 41,000 kg
Maximum Loaded Weight: 163,384 lb / 74,110 kg
Empty Operating Weight: 72,995 lb / 33,110 kg
Heaped Body Capacity: 33.4 yd³ / 25.5 m³
Struck Body Capacity: 26 yd³ / 19.9 m³
Tailgate Heaped Capacity: 35.7 yd³ / 27.3 m³
Tailgate Struck Capacity: 27.3 yd³ / 20.9 m³
Maximum Travel Speed: 34 mph / 54.8 km/h
Maximum Gradeability: Approximately 30%
Maximum Steering Angle: 45° Left / 45° Right
Minimum Turning Radius: 28 ft 3 in / 8.625 m
Clearance Turning Radius: 29 ft 9 in / 9.082 m
Inside Turning Radius: 14 ft 6 in / 4.413 m
Aisle Width: 19 ft 5 in / 5.917 m

Engine

Engine Model: Cat C18
Engine Type: 6-Cylinder Turbocharged Diesel
Configuration: Inline 6-Cylinder
Displacement: 1,106 in³ / 18.1 L
Gross Power: 511 hp / 381 kW at 1,700 rpm
Net Power: 496 hp / 370 kW
ISO Rated Power: 504 hp / 376 kW
Bore: 5.7 in / 145 mm
Stroke: 7.2 in / 183 mm
Peak Gross Torque: 1,931 lb-ft / 2,618 Nm
Peak Net Torque: 1,887 lb-ft / 2,558 Nm
Peak Torque Speed: 1,200 rpm
No Derating Below: 10,000 ft / 3,050 m
Emission System: Cat Clean Emission Module
Emissions Configuration: Tier 4 Final / Stage IV Available
Fuel Type: Diesel
Biofuel Capability: Up to B20 with ULSD

Transmission

Transmission Type: Cat High Density Power Shift
Transmission: 9-Speed Forward / 2-Speed Reverse Automatic
Forward Gears: 9
Reverse Gears: 2
Transmission Control: Advanced Productivity Electronic Control Strategy
Clutch Control: Electronic Clutch Pressure Control
Torque Converter: Large Capacity Lock-Up Torque Converter
Maximum Travel Speed: 34 mph / 54.8 km/h
Automatic Shifting: Standard
Skip Shift: Standard
Direct Drive Lock-Up: Standard

Travel Speeds

Forward 1: 3.8 mph / 6.1 km/h
Forward 2: 5.0 mph / 8.1 km/h
Forward 3: 7.0 mph / 11.2 km/h
Forward 4: 8.8 mph / 14.1 km/h
Forward 5: 11.6 mph / 18.7 km/h
Forward 6: 14.2 mph / 22.9 km/h
Forward 7: 19.6 mph / 31.5 km/h
Forward 8: 23.5 mph / 37.9 km/h
Forward 9: 34.0 mph / 54.8 km/h
Reverse 1: 4.0 mph / 6.4 km/h
Reverse 2: 9.1 mph / 14.6 km/h

Dump Body

Body Type: Articulated Haul Truck Dump Body
Body Capacity – Heaped: 33.4 yd³ / 25.5 m³
Body Capacity – Struck: 26 yd³ / 19.9 m³
Tailgate Heaped: 35.7 yd³ / 27.3 m³
Tailgate Struck: 27.3 yd³ / 20.9 m³
Body Material: High-Strength Brinell HB450 Wear-Resistant Steel
Front Plate Thickness: 0.28 in / 7 mm
Chute Thickness: 0.55 in / 14 mm
Side Plate Thickness: 0.43 in / 11 mm
Base Plate Thickness: 0.55 in / 14 mm
Body Design: Diverging-Flow Dump Body
Spill Guard: Integrated Front Spill Guard
Body Liner: Optional
Exhaust Heated Body: Optional
Scissor Tailgate: Optional
Tailgate Ready: Optional

Body Hoist

Hoist Type: Hydraulic Dump Hoist
Manual Raise Time: 12 seconds
Automatic Raise Time: 13 seconds
Manual Lower Time: 10 seconds
Automatic Lower Time: 10 seconds
Assisted Hoisting Control: Standard
Automatic Body Lowering: Standard
Body Float: Standard
Body Raise/Lower Control: Combined Hoist/Transmission Lever

Hydraulic System

Hydraulic System: Hydraulic Steering and Hoist System
Steering/Hoist Hydraulic Capacity: 36.9 gal / 140 L
Hydraulic System: Full Hydraulic Power Steering and Hoist
Hoist Control: Assisted Hydraulic Hoisting
Secondary Steering: Electro-Hydraulic
Secondary Steering Activation: Automatic
Steering Lock-to-Lock: 4.8 seconds at 60 rpm

Traction Control

Advanced Automatic Traction Control: Standard
Traction Control Type: Automatic Inter-Axle and Cross-Axle Differential Locking
Wheel Slip Control: Automatic
Inter-Axle Differential Locks: Automatic
Cross-Axle Differential Locks: Automatic
Traction Sensors: Machine and Wheel Speed Sensors
Traction Control Operation: On-the-Go
Manual Differential Control: Automatic System
Drive Configuration: Three Axle, Six-Wheel Drive

Braking & Retarding

Service Brakes: Dual-Circuit Oil-Immersed Multi-Disc Brakes
Brake Configuration: All-Wheel Braking
Brake Circuits: Independent Front and Rear Circuits
Parking Brake: Spring Applied, Hydraulic Released
Parking Brake Location: Center Axle
Retarder: Engine Compression Brake
Automatic Retarder Control: Standard
Retarding System: Engine Compression and Hydraulic Retarding
Hill Assist: Standard
Waiting Brake: Standard
Emergency Brake: Standard

Steering & Suspension

Steering Type: Articulated Hydraulic Steering
Steering Angle: 45° Left / 45° Right
Secondary Steering: Electro-Hydraulic
Front Suspension: Oscillating A-Frame with Large-Bore Low-Pressure Cylinders
Rear Suspension: Walking Beam
Rear Suspension Mounts: Long-Life Suspension Mounts
Suspension Type: Three-Axle Heavy-Duty Articulated
Articulating Hitch: Two-Piece Heavy-Duty Hitch
Hitch Head: Cast Steel
Hitch Tube: Forged Steel
Hitch Oscillation: Standard
Ground Contact: All-Wheel Ground Contact in Rough Terrain

Dimensions

Standard Wheelbase: 15 ft 0 in / 4.59 m
Overall Length: Configuration Dependent
Overall Width: Configuration Dependent
Overall Height: Configuration Dependent
Minimum Ground Clearance: Configuration Dependent
Turning Radius: 28 ft 3 in / 8.625 m
Clearance Radius: 29 ft 9 in / 9.082 m
Inside Radius: 14 ft 6 in / 4.413 m
Aisle Width: 19 ft 5 in / 5.917 m
Maximum Steering Angle: 45°
Lock-to-Lock Steering: 4.8 seconds

Operating Weights

Front Axle – Empty: 42,285 lb / 19,180 kg
Center Axle – Empty: 15,653 lb / 7,100 kg
Rear Axle – Empty: 15,058 lb / 6,830 kg
Total Empty Weight: 72,995 lb / 33,110 kg
Front Axle – Rated Load: 12,963 lb / 5,880 kg
Center Axle – Rated Load: 38,713 lb / 17,560 kg
Rear Axle – Rated Load: 38,713 lb / 17,560 kg
Total Rated Payload: 90,389 lb / 41,000 kg
Front Axle – Loaded: 55,248 lb / 25,060 kg
Center Axle – Loaded: 54,366 lb / 24,660 kg
Rear Axle – Loaded: 53,771 lb / 24,390 kg
Total Loaded Weight: 163,384 lb / 74,110 kg

Tires

Standard Tire Size: 29.5 R25
Tire Type: Radial Earthmover
Tire Configuration: Six Tires
Drive: Six-Wheel Drive
Optional Tire Size: 875/65 R29
Wide Tires: Optional
Tire Application: Quarry, Mining, Construction and Earthmoving

Operator Cab

Cab Type: Cat Articulated Truck Cab
Cab Protection: ROPS/FOPS
ROPS Standard: ISO 3471:2008
FOPS Standard: ISO 3449:2005 Level II
Operator Seat: Fully Adjustable Air Suspension Seat
Trainer Seat: Padded Trainer Seat with Lap Belt
Seat Belt: Retractable Operator Seat Belt
Optional Seat Belt: Four-Point Seat Belt
Air Conditioning: Standard
Heating: Standard
Defroster: Standard
Steering Wheel: Tilt and Telescopic
Display: Touchscreen LCD Display
Rearview Camera: Standard
Mirrors: Wide-Angle Folding Mirrors
Heated Mirrors: Optional
Bluetooth Radio: Optional
Cab Storage: Heated/Cooled Side Storage Box
Cab Noise Level: 72 dB(A)
Window Glass: Laminated Front / Toughened Side and Rear
Window Tint: Standard
Sun Visors: Standard
Window Blinds: Standard

Instrumentation

LCD Monitor: Standard
Touchscreen Display: Standard
Rearview Camera Feed: Standard
Payload Information: Available
Selected Gear Display: Standard
Travel Speed Display: Standard
Engine Information: Standard
Transmission Information: Standard
Fuel Level: Standard
Coolant Temperature: Standard
Transmission Oil Temperature: Standard
Brake System Monitoring: Standard
Hydraulic System Monitoring: Standard
Retarder Monitoring: Standard
Traction Control Monitoring: Standard
Hour Meter: Standard
Service Information: Standard
Machine Warning System: Standard

Fuel & Service Capacities

Fuel Tank: 145.3 gal / 550 L
Cooling System: 23.7 gal / 90 L
Brake Cooling Tank: 17.7 gal / 67 L
Steering/Hoist Hydraulic System: 36.9 gal / 140 L
Engine Crankcase: 13.7 gal / 52 L
Transmission – OTG: 19.8 gal / 75 L
Axles – Each: 15.8 gal / 60 L
Final Drive/Differential: Approximately 33 gal / 125 L
DEF Tank: Configuration Dependent

Electrical System

Electrical System: 24V
Batteries: 2 Maintenance-Free Batteries
Voltage Converter: 24V to 12V, 5A
Lighting: Standard
Head Lamps: 2
Width Marker Lights: 2
Reverse Lights: 2
Work Light: Standard
Stop/Tail Lights: 2
Direction Indicators: Front and Rear
Main Disconnect Switch: Standard
Remote Starting Receptacle: Standard
LED Beacon: Optional
LED Work Lights: Optional

Technology & Monitoring

Cat Product Link: Standard
Product Link PLE643: Standard
Cat Detect with Stability Assist: Standard
Cat Production Measurement: Optional
Payload Monitoring: Optional
Machine Security System: Optional
Product Link Dual PLE683: Optional
VisionLink: Available
Remote Machine Monitoring: Available
Payload Monitoring: Available
Machine Location Monitoring: Available
Fuel Usage Monitoring: Available
Idle Time Monitoring: Available
Diagnostic Code Monitoring: Available

Safety Features

ROPS/FOPS Cab: Standard
Cat Detect with Stability Assist: Standard
Rearview Camera: Standard
Reverse Alarm: Standard
Secondary Steering: Standard
Operator Presence Detection: Standard
Seat Belt Indicator: Standard
Body Raised Indicator: Standard
Hill Assist: Standard
Waiting Brake: Standard
Emergency Brake Switch: Standard
Fully Raised Body Locking Pin: Standard
External Engine Fuel Cut-Off: Standard
Slip-Resistant Walkways: Standard
Extensive Handrails: Standard
Front and Rear Visibility Mirrors: Standard
Maximum Speed Limiter: Standard

Features

45.2 Ton / 41,000 kg Payload: Standard
33.4 yd³ / 25.5 m³ Heaped Body: Standard
511 hp / 381 kW Cat C18 Engine: Standard
18.1 L Diesel Engine: Standard
9-Speed Forward Transmission: Standard
2-Speed Reverse Transmission: Standard
34 mph / 54.8 km/h Maximum Speed: Standard
Three-Axle Six-Wheel Drive: Standard
Advanced Automatic Traction Control: Standard
Automatic Retarder Control: Standard
Assisted Hoisting Control: Standard
Engine Compression Brake: Standard
Oil-Immersed Multi-Disc Brakes: Standard
Electro-Hydraulic Secondary Steering: Standard
MacPherson-Style Front Suspension: Standard
Walking Beam Rear Suspension: Standard
29.5 R25 Radial Tires: Standard
Cat Product Link: Standard
Cat Detect with Stability Assist: Standard
ROPS/FOPS Cab: Standard
Air Suspension Operator Seat: Standard
Rearview Camera: Standard
Air Conditioning: Standard
Heating and Defrosting: Standard
Touchscreen LCD Display: Standard
Payload Monitoring: Available
Cat Production Measurement: Available
Heated/Cooled Operator Storage: Standard
Heated Mirrors: Optional
Four-Point Seat Belt: Optional
Bluetooth Radio: Optional
Auto Lubrication System: Optional
Body Liners: Optional
Exhaust Heated Body: Optional
Scissor Tailgate: Optional
875/65 R29 Wide Tires: Optional
Cold Weather Package: Optional
Machine Security System: Optional