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| HT31RA AUSTIN K6 AIR FORCE GANTRY TRUCK HT31RA AUSTIN K6 | AIR FORCE GANTRY TRUCK HT276 AUSTIN K6 | BARRAGE BALLOON TENDER |
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| HT281A AUSTIN K6 FIRE FOAM TENDER HT281A AUSTIN K6 | FIRE FOAM TENDER HT282A AUSTIN K6 | FIRE CO2 TENDER |
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| HT282A AUSTIN K6 FIRE CO2 TENDER HT283A AUSTIN K6 | BOMB CARRIER AIR FORCE HT283B AUSTIN K6 | BOMB CARRIER ROYAL NAVY |
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| HT284A AUSTIN K6 TORPEDO CARRIER AIR FORCE HT284A AUSTIN K6 | TORPEDO CARRIER AIR FORCE HT284B AUSTIN K6 | TORPEDO CARRIER ROYAL NAVY |
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| HT303A AUSTIN K6 TIPPER AIR FORCE HT303A AUSTIN K6 | TIPPER AIR FORCE HT303B AUSTIN K6 | TIPPER ROYAL NAVY |