Chinese Firm Hanyang Special Auto Works began to develop the HY473 (Type 82) Heavy Equipment Transporter in the late 1970s as a HET capable of towing a 50 ton payload on the trailer.

The Type 82 HET comprises a Hanyang Special Vehicle Works HY473 6X6 tractor truck and a three-axle HY962 semi-trailer. The HY473 tractor truck has a twin-winch located behind the driving cab and a number of variants have been developed.

HY473 (Type 82) Heavy Equipment Transporter Variants

HY4160 – HET tractor, 4X4
HY4191 – HET tractor, 4X4, 25 ton
HY473AS – HET tractor, 6X6, 50 ton
HY4301S – HET tractor, 6X6, 30 ton
HY4320AH – HET tractor, 6X6, 50 ton
HY4320S – HET tractor, 6X6, 60 ton
HY4390S – HET tractor, 8X8, 60 ton

Specifications (HY473)

Seating: 1+5
Configuration: 6X6
Weight (unladen, without semi-trailer): 12,500kg
Weight (unladen, with semi-trailer): 32,000kg
Weight (laden, with semi-trailer): 91,000kg
Max load: 50,000kg
Length (tractor only): 7.345m
Width: 2.580m
Height (when laden): 2.95m
Wheel base: 3.500m + 1.500m
Track (front/rear): 2.05m / 1.92m
Ground clearance: 340mm
Fuel tank capacity: N/A
Max road speed: 64km/h
Max gradient (laden, with semi-trailer): 22%
Engine: 355 hp@2500 r/min, 4-stroke, 12V NORINCO KHD F12L413F air-cooled diesel
Gearbox: ZF5S-111GPA, 9 forward and 1 reverse gears
Tyres: 12.00X20