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Power Train – Engine

The Cat C18 Engine is built for power, reliability and efficiency.

Power Train – Transmission

More power to the ground for greater productivity.

Engine/Power Train Integration

Intelligent electronics for overall optimal performance.

Cat Brake System

Superior control for operator confidence.

Operator Comfort

Ergonomically designed for all-day comfort, control and productivity.

Truck Body Systems

Rugged performance and reliability in tough underground mining applications.


Rugged Cat structures – the backbone of the AD45B’s durability.


More time for production.

Customer Support

Cat dealer services keep underground mining equipment productive.


Designed with safety as the first priority.

AD45B Standard Equipment

  • 12V power supply in cab
  • Alternator, 95-amp
  • Auxiliary start receptacle
  • Battery disconnect switch, ground level
  • Circuit breaker, 80-amp
  • Corrosive protection spray
  • Diagnostic connector
  • Electric starting, 24V
  • Engine shutdown switch, ground level: – Front left hand side
  • Lighting: – Brake and tail light, LED – Headlights with dimmer switch, halogen – Rear work light (cab mounted), halogen – Reversing lights, halogen
  • Low maintenance batteries
  • Reversing alarm
  • Starting and charging system

  • Cat Electronic Monitoring System (Cat EMS)
  • Electric horns
  • Gauges: – Engine coolant temperature – Transmission coolant temperature – Hydraulic oil temperature – Fuel level – Speedometer – Tachometer
  • Indicator lights: – Alert warning light – Body up position warning – High beam – Residual brake pressure warning – Retarder application – Turn signal
  • Low hydraulic level warning
  • Open operator station ROPS/FOPS structure
  • Operator presence system (auto park brake)
  • Rearview mirrors
  • Suspension seat Cat Comfort TLV2 with retractable seat belt
  • Trainer/passenger seat and seat belt
  • Tilt/telescopic steering wheel
  • Turn signal indicators

  • Cat C18 ATAAC diesel engine, 6-cylinder
  • Automatic brake retarder control
  • Auto shift transmission 7 speed forward/2 speed reverse
  • Control throttle shifting
  • Engine air intake precleaner
  • Electric fuel priming pump
  • Exhaust, turbo compartment shielding
  • Four wheel drive
  • Long life coolant
  • Programmable ground speed limiting
  • Programmable gear block out with tray up
  • Radiator cap manual release
  • Radiator, cross flow
  • SAFR™ full hydraulic enclosed wet, multiple-disc brakes, oil cooled
  • Torque converter, standard with automatic lockup

  • Body, dump, (21.3 m3, 27.9 yd3)
  • Catalytic exhaust purifier/muffler group
  • Centralized lubrication points
  • Decals, international picto graphics
  • Dual fuel tanks
  • Engine and transmission belly guards
  • Fenders, front, rear flaps
  • Fire wall
  • Fuel system manual shut off tap
  • Front axle suspension
  • Frame lifting lugs
  • Front and rear tow pin
  • Front rubber bumpers
  • Hand hold (access on/off top deck)
  • Hitch, articulated and oscillated
  • Operator and Maintenance Manual, English
  • S·O·S port: – Coolant – Engine oil – Hydraulic oil – Transmission oil
  • Swing out radiator grill
  • Tires and rims: A tire must be selected from the mandatory attachments section of the machine price list. Base machine price includes a standard tubeless rim allowance only.

AD45B Optional Equipment

Battery shutdown
  • Ground level isolation, in cab isolation switch
  • Ground level isolation, engine shutdown switch
  • Ground level isolation, in cab isolation, engine shutdown switch

Body dump
  • Body, (18.0 m3, 23.5 yd3)
  • Body, (25.1 m3, 32.8 yd3)

Body ejector
  • Ejector, (22.9 m3, 30.0 yd3)

Body liners, impact and/or wear
  • 10 mm (0.4"), body, dump (18.0 m3, 23.5 yd3)
  • 10 mm (0.4"), body, dump (21.3 m3, 27.9 yd3)
  • 10 mm (0.4"), body, dump (25.1 m3, 32.8 yd3)
  • 10 mm (0.4"), body, ejector, (22.9 m3, 30.0 yd3)

Body wear plate, external
  • 16 mm (0.62"), body, dump (18.0 m3, 23.5 yd3)
  • 16 mm (0.62"), body, dump (21.3 m3, 27.9 yd3)
  • 16 mm (0.62"), body, dump (25.1 m3, 32.8 yd3)

Brake pressure gauges

Camera, color rear facing

Cover, anti vandalism for shipping

Engine options
  • Diesel particulate filter (for use with VR engine only)
  • Engine, Ventilation Reduction (VR)
  • Tier 3

Fast fill system
  • Coolant
  • Engine oil
  • Fuel (dual tanks)
  • Hydraulic oil
  • Transmission oil

Fire suppression system
  • Ansul, dry powder
  • Foam, water based

  • Arctic fuel
  • Arctic coolant

  • Headlights with dimmer switch, LED
  • Rear work light (cab mounted), LED
  • Reversing lights, LED

Lubrication system
  • Automatic, dump or ejector body
  • Centralized, ejector body

Mine transfer
  • Mine transfer ready front frame (tack welded)
  • Mine transfer ready dump body (tack welded)
  • Mine transfer ready ejector body (tack welded)

Operators station ROPS/FOPS enclosed
  • Air conditioning
  • Cab pressurizer and filter
  • Dome light
  • Heater
  • Radio ready compartment for radio and speakers
  • Sun visor
  • Window, sliding cab door

Operator and Maintenance Manual
  • Chinese
  • Indonesian
  • French
  • Portuguese
  • Russian
  • Spanish

Park brake switch engagement
  • Push to apply
  • Pull to apply

  • Truck Payload Measurement System (TPMS)
  • Remote display for TPMS

Reflective tape

  • Rim identification numbering
  • Spare, tubeless

  • Suspension seat Cat Comfort TLV2, vinyl
  • Suspension seat tee, mechanical

Seat cover
  • Tee and Cat Comfort TLV2
  • Seat cover, companion

Secondary steering system

Service tools
  • Collet jacking bolts, dump or ejector
  • Diagnostics box
  • Hoist cylinder supports (for body removal)
  • Brake wear gauge
  • Reference parts manual for additional tooling available

  • Engine shutdown, fire suppression activation
  • Idle timer
  • Engine shutdown, fire suppression activation/idle timer

  • Vital Information Management System (VIMS) Gen 3

Tire arrangements
  • Tire, 29.5 × R29 VSNT Bridgestone
  • Tire, 29.5 × R29 VSDL Bridgestone

Torque converter, high altitude, 3000 m (9,842 ft) and up

NOTE: Not all features are available in all regions. See your Cat dealer for more information.


The AD45B underground articulated truck is designed for high production, low cost-per-ton hauling in underground mining applications. Rugged construction and simplified maintenance guarantee long life with low operating costs. Engineered for performance, designed for comfort, built to last.


Engine Model Cat® C18 ACERT™ Cat® C18 ACERT™ Less
Rated Power 1800.0 rpm 1800.0 rpm Less
Gross Power - SAE J1995 587.0 hp 438.0 kW Less
Gross Power - VR Engine - SAE J1995 587.0 hp 438.0 kW Less
Gross Power - Tier 3 Engine - SAE J1995 547.0 hp 408.0 kW Less
Bore 5.7 in 145.0 mm Less
Stroke 7.2 in 183.0 mm Less
Displacement 1104.53 in3 18.1 L Less

Operating Specifications

Gross Machine Mass 187393.0 lb 85000.0 kg Less
Nominal Payload Capacity 99208.0 lb 45000.0 kg Less
Body Capacities 18.0-25.1 m3 (23.5-32.8 yd3) 18.0-25.1 m3 (23.5-32.8 yd3) Less


Empty 88184.0 lb 40000.0 kg Less
Loaded 187393.0 lb 85000.0 kg Less
Empty - Front Axle 60847.0 lb 27600.0 kg Less
Empty - Rear Axle 27337.0 lb 12400.0 kg Less
Loaded - Front Axle 85451.0 lb 38760.0 kg Less
Loaded - Rear Axle 101942.0 lb 46240.0 kg Less

Weight Distribution

Empty - Front Axle 69% 69% Less
Empty - Rear Axle 31% 31% Less
Loaded - Front Axle 45.6% 45.6% Less
Loaded - Rear Axle 54.4% 54.4% Less


Forward 1 4.9 mph 8.0 km/h Less
Forward 2 6.8 mph 10.9 km/h Less
Forward 3 9.4 mph 15.1 km/h Less
Forward 4 12.8 mph 20.6 km/h Less
Forward 5 17.4 mph 28.1 km/h Less
Forward 6 23.7 mph 38.1 km/h Less
Forward 7 32.3 mph 52.0 km/h Less
Reverse 1 4.6 mph 7.5 km/h Less
Reverse 2 6.3 mph 10.1 km/h Less

Final Drives

Differential Ratio 3.46:1 3.46:1 Less
Final Drive Ratio 5.65:1 5.65:1 Less
Total Reduction Ratio 19.55:1 19.55:1 Less

Body Hoist

Raise 16.0 Seconds 16.0 Seconds Less
Lower 21.0 Seconds 21.0 Seconds Less
Total Cycle Time 37.0 Seconds 37.0 Seconds Less

Body Capacities

Ejector Body 29.9 yd3 22.9 m3 Less
Dump Body 1 23.6 yd3 18.0 m3 Less
Dump Body 2 (Standard Body) 27.9 yd3 21.3 m3 Less
Dump Body 3 32.8 yd3 25.1 m3 Less

Turning Dimensions

Articulation Angle 42.5º 42.5º Less
Outside Clearance Radius* 365.8 in 9291.0 mm Less
Inside Clearance Radius* 209.0 in 5310.0 mm Less
Frame Oscillation 10º 10º Less
Note *Clearance dimensions are for reference only. *Clearance dimensions are for reference only. Less

Service Refill Capacities

Engine Crankcase with Filter 16.9 gal 64.0 L Less
Transmission 15.9 gal 60.0 L Less
Hydraulic Tank 70.3 gal 266.0 L Less
Cooling System 22.5 gal 85.0 L Less
Front Differentials and Final Drives 20.3 gal 77.0 L Less
Rear Differentials and Final Drives 21.9 gal 83.0 L Less
Fuel Tank 201.8 gal 764.0 L Less


Tire Size 29.5 × R29 29.5 × R29 Less


Brakes ISO 3450, AS2958.1, CAN-CSA424.30-M90 ISO 3450, AS2958.1, CAN-CSA424.30-M90 Less
Cab/FOPS ISO 3449, SAE J231, AS2294.3, EN13627 ISO 3449, SAE J231, AS2294.3, EN13627 Less
Cab/ROPS ISO 3471, SAE J1040, AS2294.2, EN13510 ISO 3471, SAE J1040, AS2294.2, EN13510 Less
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