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Engine ModelCat® C15
Engine Power - Tier 3 Engine - ISO 14396:2002401 HP (299 kW)
Nominal Payload Capacity66139 lb (30000 kg)
Engine Power - VR Engine - ISO 14396:2002401 HP (299 kW)
The Cat® AD30 Underground Truck is a medium to smaller mine hauler that is a perfect match to the Cat R1600H underground loader. Engineered for performance, it’s powered by the Cat C15 engine and delivers fast cycle times and maximum efficiency. With two body styles plus multiple body sizes, you can choose the right body to maximize efficiency in your application. The cab is ergonomically designed to keep operators safe, comfortable and in control. Rugged construction and easy maintenance guarantee long life with low operating costs.


Engine ModelCat® C15
Engine Power - Tier 3 Engine - ISO 14396:2002401 HP (299 kW)
Nominal Payload Capacity66139 lb (30000 kg)
Engine Power - VR Engine - ISO 14396:2002401 HP (299 kW)
Gross Machine Mass132300 lb (60000 kg)
Body 114.8 yd³ (11.3 m³)
Bore5.4 in (137.2 mm)
Empty - Front Axle67.50%
Empty - Rear Axle32.50%
Stroke6.8 in (171.5 mm)
Loaded - Front Axle44.20%
Empty63647 lb (28870 kg)
Displacement928 in³ (15.2 l)
Note (1)Power ratings apply at a rated speed of 1,800 rpm when tested under the reference conditions for the specified standard.
Note (2)All rating conditions are based on ISO/TR14396:2002, inlet air standard conditions with a total barometric pressure of 100 kPa (29.5 in Hg), with a vapor pressure of 1 kPa (0.295 in Hg), and 25° C (77° F). Performance measured using fuel to EPA specifications in 40 CFR Part 1065 and EU specifications in Directive 97/68/EC with a density of 0.845-0.850 kg/L @ 15° C (7.05-7.09 lb/gal @ 59° F) and fuel inlet temperature 40° C (104° F).
Empty - Front Axle42944 lb (19479 kg)
Loaded - Rear Axle55.80%
Note (3)Engine derate will commence at an altitude of 2743 m (8,999 ft).
Note (4)Optional Ventilation Reduction package available.
Optional engine with emissions equivalent to Tier 3 and EU Stage IIIA is also available.
Empty - Rear Axle20704 lb (9391 kg)
Note (5)Optional engine with emissions equivalent to U.S. EPA Tier 3 and EU stage IIIA is also available.
Loaded132277 lb (60000 kg)
Loaded - Front Axle58451 lb (26513 kg)
Raise10.5 s (10.5 s)
Lower11.2 s (11.2 s)
Total Cycle Time21.7 s (21.7 s)
Outside Clearance Radius337.4 in (8571 mm)
Inner Clearance Radius198 in (5030 mm)
Articulation Angle42.5 ° (42.5 °)
Engine Crankcase - With Filter9 gal (US) (34 l)
Forward - 13.9 mile/h (6.3 km/h)
Forward - 27 mile/h (11.3 km/h)
Forward - 312.9 mile/h (20.8 km/h)
Forward - 422.8 mile/h (36.7 km/h)
Reverse - 14.4 mile/h (7.1 km/h)
Body 2 - Standard Body18.8 yd³ (14.4 m³)
Body 322.9 yd³ (17.5 m³)
Wide Body21.9 yd³ (16.8 m³)
Ejector Body (1)19.9 yd³ (15.2 m³)
Ejector Body (2)21.9 yd³ (16.8 m³)
Tire Size26.5 × R25
Differential Ratio3.38:1
Final Drive Ratio4.76:1
Total Reduction Ratio16.13:1
Transmission18 gal (US) (67 l)
Hydraulic Tank38 gal (US) (145 l)
Cooling System20 gal (US) (74 l)
Front Differential and Final Drives15 gal (US) (56 l)
Rear Differential and Final Drives15 gal (US) (56 l)
Fuel Tank108 gal (US) (410 l)
Frame Oscillation10 Degrees
StandardsROPS/FOPS Certified Cab
NoteMaximum travel speeds with standard 26.5 × R25 tires.
NoteHeaped SAE 2:1.
NoteFully floating axles.
Loaded - Rear Axle73826 lb (33487 kg)
Body Capacities11.3-17.5 m³ (14.8-22.9 yd³)

Benefits and Features

  • Standard Operator Present System, which protects the machine and operator from uncontrolled machine movements, with hydraulic system neutralization and door sensor.
  • Safer access and egress with anti-skid upper deck surfaces, upper deck handrails and 3-point cabin and machine access.
  • ROPS cab that is resiliently mounted to the frame to isolate the operator from vibration.
  • Four corner oil-cooled braking system that provides excellent control, with service brake system actuated by hydraulic pressure and parking brake function that is spring applied and hydraulic released to ensure braking in the event of loss of hydraulic failure.
  • Safer service with service with body retaining pins, exhaust heat shielding and firewall, hitch hydraulic hoses fitted with burst protection sleeves, tailgate retaining pins (ejector body), and hot and cold side of engine.

  • Controls, levers, switches and gauges positioned to maximize productivity and minimize fatigue.
  • Optional sound-suppressed ROPS cab for a quiet, secure and comfortable air-conditioned working environment with fresh, pressurized, temperature-controlled air circulation.
  • Ergonomic, fully adjustable suspension seat with thick cushions that reduce pressure on lower back and thighs and wide, retractable seat belts that provide a secure, comfortable restraint.
  • Comfort wheel with tilt steering that provides a comfortable driving position, secure grip and greater control.
  • Four corner oil-cooled braking system, which provides excellent control; integrated system combines the service, secondary, parking brake and retarding functions in the same robust system for optimum braking efficiency.

  • Truck Payload Measurement System, which automatically records load cycle information when the load is dumped, giving operators real-time loading data and sorting it for download.
  • Automatic Retarder Control (ARC) electronically controls retarding on grade, allowing the operator to maintain optimum engine speeds for faster downhill hauls and greater productivity.
  • Single-stage hoist cylinders that provide fast dump cycle times of 16 seconds for raise and 21 seconds for lower.

  • Cat C15 engine, which provides unequalled lugging force while digging, tramming and traversing steep grades.
  • Torque rise that effectively matches transmission shift points for maximum efficiency and fast cycle times.
  • Lockup Torque Converter combines maximum rimpull while in torque converter drive with the efficiency and performance of direct drive when the lockup clutch is engaged.
  • Mechanically Actuated, Electronic Unit Injection (MEUI™) high-pressure, direct injection fuel system, which electronically monitors operator demands and sensor inputs to optimize engine performance and fuel combustion.
  • Cat four-speed planetary power shift transmission matched with the Cat C15 diesel engine to deliver constant power over a wide range of operating speeds.

  • Cat truck bodies designed for optimal strength, capacity and durability, with improved design and the use of Hardox steel for longer service life and lower cost per ton.
  • Designed and matched with the integrated chassis system for optimum structural reliability, durability and long life.
  • Two Cat body styles, dump body and ejector body, for the most efficient hauling solution at the lowest cost per ton.
  • Greater versatility with ejector body that can be easily removed and a dump body fitted.

  • Box-section frame design with wide and stiff frame beams to handle torque loads; design decreases stress in the hitch area and optimizes suspension geometry.
  • Articulating hitch with hardened steel pins, taper roller bearings and oscillating stops that allow the rear frame to move independently from the front frame.
  • Full floating axles that relieve internal stresses and increase durability, plus rolled splines that provide increased service life.
  • Proven planetary power shift transmission built for long life between overhauls.
  • Frame, powertrain, engine and components that are built to be rebuilt, delivering second and third lives.

  • Ground-level access to all tanks, filters, lubrication points and compartment drains; remote mounted fuel filters for easier serviceability; and fluid-level sight gauges.
  • Radial seal air filters that are easy to change, reducing time required for air filter maintenance.
  • Electrical connectors that are sealed to lock out dust and moisture, harnesses that are covered for protection, and wires that are color- and number-coded for easy diagnosis and repair.
  • Cat Electronic Technician (ET), which enables quick electronic diagnosis of machine performance and key diagnostic data for effective maintenance and repairs.
  • Cat Electronic Monitoring System (EMS), which provides continuous access to critical machine data to keep the machine performing at a high level.

  • Smoother shifts and longer component life with Controlled Throttle Shifting, which regulates engine RPM, torque converter lock-up and transmission clutch engagement.
  • Reduced fuel consumption, decreased noise levels and potential for longer engine life with Economy Shift Mode.
  • Machine damage prevented by directional shift management, which regulates engine speed to avoid high-speed directional changes; and body-up shift inhibitor, which prevents the transmission from shifting above a pre-programmed gear without the body fully lowered.
  • Overspeed protection provided by Automatic Retarder Control, which engages the brakes if an unsafe engine speed is reached when the throttle is being depressed by the operator.

  • Optional EU Stage III and U.S. EPA Tier 3 compliant engine available.
  • Optional Ventilation Reduction (VR) Package, which incorporates selective engine hardware and software to reduce diesel particulate matter in the engine exhaust and deliver a significant ventilation rate reduction, a decrease in fuel consumption, and maintained or improved product performance.
  • Cat Diesel Particulate Filter, which complements the VR engine by further reducing particulate matter in the exhaust.
  • Ongoing research and development into engine compatibility with diesel fuel blended with lower-carbon intensity fuels such as biofuels and renewable fuels, plus power options like electrification.
  • Cat Rebuild and Cat Reman programs, which preserve raw materials, conserve energy and reduce emissions, plus retrofits and upgrades for older machines to incorporate efficiency improvements and emission reductions.

Standard Equipment

  • Tires must be selected from the Mandatory Attachments section. Choose from below:
    – Tire, 26.5 × 25 VSNT Bridgestone
    – Tire, 26.5 × 25 VSDL Bridgestone
  • Rims (set of four) – five pieces, tubeless
  • 12V power supply in cab
  • Alarm, reversing
  • Alternator, 95 amp
  • Battery disconnect switch, ground level
  • Circuit breaker, 80-amp
  • Corrosive protection spray
  • Diagnostic connector
  • Disconnect switch, two post, ground level
  • Lights:
    – Headlights with dimmer switch
    – Brake and tail lights
    – Reversing lights, automatic when reverse gear selected
    – Work light, rear, cab mounted
  • Low maintenance batteries
  • Receptacle group, auxiliary start
  • Shutdown switch, ground level
  • Starting and charging system
  • Cab, ROPS/FOPS certified
  • Open operator station ROPS/FOPS structure
  • Caterpillar Electronic Monitoring System (CEMS), dash instrument panels
  • Operator Presence System
  • Automatic Brake Application (ABA)
  • 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
  • Mirrors, rear view
  • Seat, suspension operator seat with retractable seat belt
  • Seat, trainer/passenger with seat belt
  • Steering wheel, tilt/telescopic
  • Axle, arrangement:
    – Standard width, front – rear
  • Brake retarder control, automatic
  • Brakes:
    – All wheel disc
    – Oil cooled
    – Multiple-disc (SAFR™)
  • Control throttle shifting
  • Electric fuel priming pump
  • Engine:
    – Cat C15 six cylinder diesel engine
    – Air-to-air aftercooler (ATAAC)
  • Exhaust, turbo compartment shielding
  • Four wheel drive
  • Gear blockout with tray up, programmable
  • Ground speed limiting, programmable
  • Long life coolant
  • Parking brakes, four wheels
  • Precleaner, engine air intake
  • Radiator cap manual release
  • Radiator, cross flow
  • Transmission, automatic planetary power shift (4F/1R)
  • Torque converter with automatic lockup
  • Adapters, oil sample
  • Alarm, tray up
  • Body dump and ejector:
    – Dump, (14.4 m3/18.8 yd3)
  • Cap, radiator, manual release
  • Catalytic exhaust purifier/muffler group
  • Centralized lubrication points
  • Fenders:
    – Front, rear flaps
  • Firewall
  • Fuel system manual shut off tap
  • Front rubber bumpers
  • Handholds (access on/off top deck)
  • Handrails
  • Hitch, articulated and oscillated
  • Lifting lugs, frame
  • Lubrication system:
    – Centralized, dump body
  • Operation and Maintenance Manual – English and other applicable local languages to select
  • Scheduled Oil Sampling (S·O·SSM) port:
    – Coolant
    – Engine oil
    – Hydraulic oil
    – Transmission oil
  • Spill guard, front, for body
  • Swing out radiator grill
  • Tow pin, front and rear

Optional Equipment

  • Axle, arrangement:
    – Wide body, front – rear
  • Brake pressure gauges
  • Engine options:
    – Engine, Ventilation Reduction (VR)
    – Equivalent to Tier 3
  • After treatment options (for use with VR engine only) Diesel Particulate Filter (DPF) (flow through) filter
  • Fast Fill System:
    – Coolant
    – Engine oil
    – Fuel (dual tanks)
    – Hydraulic oil
    – Transmission oil
  • Park Brake Switch Engagement – Push to Apply/Pull to Apply
  • Secondary steering system
  • Battery shutdown:
    – Ground Level Isolation, In Cab Isolation Switch
    – Ground Level Isolation, Engine Shutdown Switch
    – Ground Level Isolation, In Cab Isolation, Engine Shutdown Switch
  • Lights:
    – Headlights with dimmer switch, LED
    – Reversing lights, automatic when reverse gear selected, LED
    – Work light, rear, cab mounted, LED
  • Operator’s 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
  • Seat:
    – Suspension seat Cat Comfort TLV2, vinyl
    – Suspension seat tee, mechanical
  • Seat cover:
    – Tee and Cat Comfort TLV2
    – Seat cover, companion
  • Vital Information Management System (VIMS) Gen 3
  • Payload:
    – Truck Payload Measurement System (TPMS)
  • Rim identification numbering
  • Spare rim, tubeless
  • Body dump and ejector:
    – Dump, (11.3 m3/14.8 yd3)
    – Dump, (16.8 m3/21.9 yd3) (wide body configuration)
    – Dump, (17.5 m3/22.9 yd3)
    – Ejector, (15.2 m3/19.9 yd3)
    – Ejector, (16.8 m3/21.9 yd3)
  • Body liners, impact and/or wear
  • Camera – color rear facing
  • Cover, anti vandalism for shipping
  • Fenders:
    – Wide body, front, rear flaps
  • Fire suppression system:
    – Foam, water based
  • Fluids:
    – Arctic fuel
    – Arctic coolant
  • Lubrication system:
    – Automatic, dump or ejector body
    – Centralized, ejector body
  • Mine transfer
  • Reflective tapes
  • Service tools