VLI’s Driftrunner is a range of explosion protected (AS3584.2), diesel engine system powered vehicles, designed for personnel and material transportation in the underground coal environment.

The Driftrunner range has been designed to operate comfortably at peak performance within the challenging conditions of underground coal mining and sets the benchmark for reliability, versatility and service life.

Through the F and G Series Driftrunners, VLI is able to provide a suite of machines that cover any potential need of the underground coal mining industry.


F Series

G Series

Tare mass of wet complete machine 5900 kg (Nominal) 5900 kg (Nominal)
Gross Vehicle Mass (kg)
Economic life of Equipment (hours) 20,000 HRS 20,000 HRS


Maximum seating capacity (including driver) 11 12
Ground pressure (kPa) – engine end (loaded at seated capacity) 300 kPa 300 kPa
Ground pressure (kPa) – rear end (loaded at seating capacity) 300 kPa 300 kPa
Maximum tractive effort (kg) – coal 1710 kg 1710 kg
Maximum tractive effort (kg) – concrete 2200 kg 2200 kg
Equipment Dimensions
Machine length (mm) 6200 mm 6200 mm
Machine width (mm) 2000 mm 2000 mm
Machine height (mm) 1880-2050 mm 1880-2050 mm
Machine wheel base (mm) 3800 mm 3800 mm
Machine track width (mm) – outside of wheels 2150 mm 2150 mm
Machine turning circle (mm) 7780 mm 7780 mm
Machine nominal ground clearance (mm) 350 mm 350 mm


Type Explosion Protected Diesel Engine System Explosion Protected Diesel Engine System
Make and model 1006-6 Perkins 1006-6 Perkins
Displacement 6.0 Litres 6.0 Litres
Maximum power (kW @ rpm) 55 kW 55 kW
Maximum torque (Nm @ rpm) 250 Nm 250 Nm
Low idle speed (rpm) 760 rpm 760 rpm
High idle speed (rpm) 2600 rpm 2600 rpm
Maximum power speed (rpm) 2400 rpm 2400 rpm
Fuel tank working capacity (litres) 65 Litres 65 Litres
Exhaust system type Explosion Protected Wet Explosion Protected Wet
Exhaust scrubber water tank capacity (litres) 95 Litres 95 Litres
Noise Level 86 dB(A) 86 dB(A)

Drive Train System

Transmission type Powershift Powershift
Make and model Dana 20000 Dana 20000
Gear ratios 4.01:1.85:1.00 4.01:1.85:1.00
Axle make and model – front Dana 211/278 – Steer Dana 211/278 – Steer
Axle make and model – rear Dana 111/171 – Rigid Dana 111/171 – Rigid
Wheels make and model VLI One-Piece VLI One-Piece
Wheel type and size 9.75”x16.5” 9.75”x16.5”

Hydraulic System

Pump type Variable Displacement Variable Displacement
Pump capacity (l/min @ rpm) 90 l/min @ 2000 rpm 90 l/min @ 2000 rpm
System operating pressure (kPa) 11,500-14,000 kPa 11,500-14,000 kPa


Service Brake
Type Multiplate Wet Multiplate Wet
Make and model Dana Dana
Application Pressure Applied Pressure Applied
Brake unit location Inboard Inboard
Park Brake
Type Multiplate Wet Multiplate Wet
Make and model Dana Dana
Application SAHR SAHR

Electrical System

Voltage 12 Volt 12 Volt
Alternator make and model ATF/MAE/MR ATF/MAE/MR
Alternator rating Explosion Protected Explosion Protected
Lighting system ATF/MAE/MR ATF/MAE/MR
Gas monitoring system NTMS or other Approved system NTMS or other Approved system

Electronic Monitoring System

Control System
Sensor – Speed
Sensor – Temperature