Armstrong & Holmes Ltd

Model 12 Tonne - Trailer


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.

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