GAZ 66 Technical Specification

Length - 5.65 meters.(office body)
Width - 2.4 meters.
Height - 2.35 meters.(office body)
Weight - 3,500 Kg. Depending on body type
Max Towing Weight - 2,000Kg
Max. payload - 2,000 Kg.
Turning circle - 18.9m
Approach angle - 41 deg.
Departure angle - 32 deg
Max. ascent angle - 30 deg
Ground clearance - 320m

Engine - ZMZ-66 V8 water cooled petrol. 4.254Litre. 115 BHP
Suspension - Solid axles with leaf springs and dampers
Gearbox - Four speed with synchromesh on 3rd and 4th
Transfer Box - High low ratio. 2 and 4wd.
PTO - To front of vehicle for winch, generator etc
Transmission - 4 fwd + rev manual (2 speed transfer box)
2 x Limited slip differentials.

Fuel consumption - 10-18mpg. depending on conditions.
Fuel capacity - 2 x 105 litres
Max speed. - 60mph / 80kph.  (Speed governed)
Tyres. - 12.00 x 18 
Electrics. - 12v.
Brakes - Standard single circuit hydraulic with servo assist.

GAZ 66 Specifications This is very similar to the Go Wilderness Mongolia Overland Expedition Vehicle. We have made a few changes and upgrades.

Service quantities

Engine Oil 8.0 Litres 15/40

mineral Gearbox 3.0 (4.2) Litres 80/90 GL4

Rear Differential (with CTIS) 7.6 (6.4) Litres 80/90 GL4

Front Differential 7.7 Litres 80/90 GL4

Transfer Box (with PTO) 1.5 Litres 80/90 GL4

Front Hubs 1.0 Litres  50% - 80/90 GL4 and 50% Grease

Steering 0.5 Litres Aeroshell Fluid 4 or Shell Tellus

Brakes 0.75 Litres Dot 4

Cooling 23 Litres 25 - 50% Standard antifreeze

Inlet Tappets @ 15 - 20 °C 0.15 - 0.2 mm

Exhaust Tappets @ 15 - 20 °C 0.25 - 0.3 mm

Spark Plugs 0.8 - 0.9 mm NGK B5HS or BP5HS

Timing 4  (+/- 10) ° BTDC Adjustable depending on fuel

Contact Breakers* 0.3 - 0.4 mm * electronic ignition on later models

Fan belt movement 10 - 15 mm Under 4 Kg tension

Tyre Pressure Min. 0.5 (7.25) Bar (psi) 12.00 x 18

Tyre Pressure Max. 2.8 (41) Bar (psi) 12.00 x 18