12 Tonne Trailer    Specification


Main Chassis section is two channels welded together to form a box section size is 220 x 160m . Top chassis is 150 x 75 channel

Spring Drawbar

15 Tonne type with 32 mm dia “U” bolts

Drawbar pivits on 50 mm dia pin

Drawbar eye is 90 x 40 section


13 Tonne spring unit with 32 mm  dia spring eye pins running through a brass bush.

Rocking Beam

Optional in lieu of springs


80 mm section, standard track is 1800 mm, other track available to order.   8000 kg cap per axle    Brakes are 350 x 60 mm


Hydraulic Operation of Cam brakes with one cylinder per wheel complete with adjustor screw.


8 stud rims on remould tyres with speed rating of 60 kph capacity 8000 kg/axle options of higher spec axles.


§ Floor 5 mm plate with 60 x 40 box section Floor runners

§ Sides are 3 mm plate with 80 x 80 x 3 box Section top rail, vertical ribs fully  welded

§ Rear door has box section frame ladder fitted to front panel

§ Size 18 ft x  4 ft 3” high x 7 ft 4” wide inside  mud guard standard (5486 mm long x 1295 mm high x  2235 mm wide)

Lift Cylinders

Twin 3 stage 10 Tonne cylinders mounted low in the chassis to give max lift and reduce stress on trailer chassis.  Pin holes are 32 mm  dia    Hydraulic Hoses to cylinders are ½ bore twin wire braided.


Marker Lights/rear lamps wired to socket on the front of trailer.   A separate lead is used from this socket to the tractor.



Phone: (0044) 01400 261061
Fax:    (0044)01400 262289

To contact us:



Parts bought in carry their own manufacturing warranty of 12 month.   Our own work will be guaranteed for 2 years   subject to fair wear and tear.

Armstrong & Holmes Ltd
Fulbeck, Grantham,
Lincolnshire, NG32 3HX          UK.

South Heath Lane,




NG32 3HX

01400 261061

01400 262289 fax

07802 316 026