The Mk 7 was introduced in 1965 to supplement the Mk 6 fleet, and basically consisted of a DP2 chassis fitted with Mk 6 foam equipment.  With improved reliability, a suction eye and water pumping capability,  the Mk 7 was a more versatile primary one foam tender.  It was also easier to transport by air and saw service world wide.

Chassis

Thorneycroft Nubian TFA 6 X 6

Engine

Rolls Royce B81 Petrol,  235 bhp @ 4,000 rpm

Dimensions

Length - 19ft 6in/7.26m; Width - 8ft 6in/2.43m; Height - 10ft 0in/3.14m; WB - 10ft 0in/3.05m

Weight

12 tons 19 cwt

Water Tank Capacity

700 Gallons

Foam Liquid Tank Capacity

110 Gallons

Foam output (finished foam)

5000 Gallons per- minute through monitor and two side-lines or through double-jet monitor