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Overview

The AD55B 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

Units:
Engine Model Cat® C27 ACERT™ Cat® C27 ACERT™ Less
Rated Power 2000.0 RPM 2000.0 RPM Less
Gross Power - SAE J1995 805.0 hp 600.0 kW Less
Bore 5.4 in 137.2 mm Less
Stroke 6.0 in 152.4 mm Less
Displacement 1648.0 in3 27.0 L Less
Gross Power - SAE J1995 (1st gear/2-7th gear) 579/600 kW (776/805 hp) 579/600 kW (776/805 hp) Less
Net Power - 80/1269/EEC 540/560 kW (725/751 hp) 540/560 kW (725/751 hp) Less
Net Power - ISO 9249 540/560 kW (725/751 hp) 540/560 kW (725/751 hp) Less
Net Power - SAE J1349 (1st gear/2-7th gear) 540/560 kW (725/751 hp) 540/560 kW (725/751 hp) Less

Operating Specifications

Gross Machine Operating Weight 231485.0 lb 105000.0 kg Less
Nominal Payload Capacity 121254.0 lb 55000.0 kg Less

Weights

Empty 110231.0 lb 50000.0 kg Less
Loaded 231485.0 lb 105000.0 kg Less
Empty - Front Axle 75398.0 lb 34200.0 kg Less
Empty - Rear Axle 34833.0 lb 15800.0 kg Less
Loaded - Front Axle 116668.0 lb 52920.0 kg Less
Loaded - Rear Axle 114817.0 lb 52080.0 kg Less

Weight Distribution

Empty - Front Axle 68.4% 68.4% Less
Empty - Rear Axle 31.6% 31.6% Less
Loaded - Front Axle 50.4% 50.4% Less
Loaded - Rear Axle 49.6% 49.6% Less

Transmission

Forward 1 4.1 mph 6.6 km/h Less
Forward 2 5.8 mph 9.3 km/h Less
Forward 3 7.5 mph 12.5 km/h Less
Forward 4 10.4 mph 16.8 km/h Less
Forward 5 14.1 mph 22.7 km/h Less
Forward 6 19.1 mph 30.7 km/h Less
Forward 7 25.8 mph 41.5 km/h Less
Reverse 1 5.4 mph 8.7 km/h Less

Final Drives

Differential Ratio 3.46:1 3.46:1 Less
Final Drive Ratio 5.5:1 5.5:1 Less
Total Reduction Ratio 19.04:1 19.04:1 Less

Body Hoist

Raise 12.0 Seconds 12.0 Seconds Less
Lower 24.0 Seconds 24.0 Seconds Less
Total Cycle Time 36.0 Seconds 36.0 Seconds Less

Body Capacities

Ejector Body 35.2 yd3 26.9 m3 Less
Dump Body - 1 35.2 yd3 26.9 m3 Less
Dump Body - 2 42.6 yd3 32.6 m3 Less
Dump Body - 3 44.2 yd3 33.8 m3 Less
Dump Body - 4 47.9 yd3 36.6 m3 Less

Turning Dimensions

Outside Clearance Radius 393.9 in 10005.0 mm Less
Articulation Angle 42.5 Degrees 42.5 Degrees Less
Frame Oscillation 10° 10° Less
Inside Turning Radius 218.1 in 5540.0 mm Less

Service Refill Capacities

Engine Crankcase with Filter 26.2 gal 99.0 L Less
Transmission 14.0 gal 53.0 L Less
Hydraulic Tank 68.2 gal 258.0 L Less
Cooling System 36.5 gal 138.0 L Less
Front Differentials and Final Drives 36.5 gal 138.0 L Less
Rear Differentials and Final Drives 36.5 gal 138.0 L Less
Fuel Tank 253.6 gal 960.0 L Less

Tires

Tire Size 35 × 65 R33 35 × 65 R33 Less

Standards

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

Power Train - Engine

The Cat® C27 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.


Structures

Rugged Cat structures - the backbone of the AD55B’s durability.


Serviceability

More time for production.


Customer Support

Cat® dealer services keep underground mining equipment productive.


Safety

Designed with safety as the first priority.


AD55B Standard Equipment

ELECTRICAL
  • Alarm, back-up
  • Alternator, 95 amp
  • Batteries, maintenance free
  • Battery disconnect switch-ground level
  • Brake and tail lights
  • Cat Electronic Monitoring System (Cat EMS)
  • Corrosive protection spray
  • Diagnostic connector
  • Engine shutdown switch
  • Headlights with dimmer switch
  • Jump start receptacle
  • Rear work light (cab mounted)
  • Reversing lights
  • Starting and charging system (24-volt)
  • Turn signal indicators

OPERATOR ENVIRONMENT
  • Cab pressurizer
  • Rear view mirrors
  • Radio ready
  • ROPS/FOPS cab with air conditioning
  • Storage compartment
  • Suspension seat with retractable seat belt
  • Tilt/telescopic steering wheel
  • Trainer/passenger seat and seat belt
  • Windshield wiper and washer

POWER TRAIN
  • All wheel disc brakes
  • Automatic retarder control
  • Auto shift transmission 7 speed forward/1 speed reverse
  • Control throttle shifting
  • 12 cylinder C27 ACERT™ ATAAC diesel engine
  • Long life coolant
  • Parking brakes (four wheels)
  • Programmable gear blockout with body up
  • Programmable ground speed limiting
  • Torque converter with automatic lockup

OTHER STANDARD EQUIPMENT
  • Articulated and oscillated hitch
  • Belly guards
  • Centralized lubrication points
  • Dump body (26.9 m3 - 35.2 yd3)
  • Exhaust catalytic converter/muffler
  • Exhaust covers
  • Firewall
  • Frame lifting lugs
  • Front and rear tow pin
  • Front axle suspension
  • Oil sample adapters
  • Residual brake pressure switch
  • Tires - 35/65 R33 VSNT radial tires
  • Body up alarm

AD55B Optional Equipment

Bodies
  • Dump, (32.6 m3 - 42.6 yd3)
  • Dump, (33.8 m3 - 44.1 yd3)
  • Dump, (36.6 m3 - 47.9 yd3)
  • Ejector, (26.9 m3 - 35.2 yd3)
  • Ejector, (29.4 m3 - 38.5 yd3)
  • Body liners, heavy duty

Color camera and monitoring system

EAM (Electronic Access Module)

Engine shutdown on fire system activation

Fast fill system
  • Coolant
  • Engine
  • Fuel
  • Hydraulic
  • Transmission

Fire extinguisher, hand held

Front rubber bumpers

ID numbers for rims

Idle timer

Isolation switches

Onboard fire system, 65L

Retractable visor group

Seat covers

Secondary steering system

Spare rim

TPMS (Truck Payload Measurement System)

TPMS remote display payload indicator

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