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Mechanical suspension
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 Service manual
Features
The TMC suspension is a low cost suspension proven under Australia’s harsh conditions. It is simple in design to suit all types and makes of trailer. Tapered bushes for both the equaliser and torque arm assemblies enhance service life with minimal maintenance. Brackets and equalisers are designed to eliminate localised stress. Brackets are short in depth to minimise torsional stress during turning and braking. The brackets are made of cast steel using investment castings for a more homogeneous product with a high quality finish. Standard parts are used throughout allowing maximum interchangability between models and with other industry standard components.
Options 
• Ride Heights 200mm, 385mm, 420mm
• Shock Absorbers
• 8, 9, or 10 Leaf Springs
• Poly Bushes
• Front Draw Bar Hangers
• Round or Square Spring Seats
 
Features 
TMC Suspension Specifications - Overslung:
Model
Spring
Axle Centres
Dim
 Dim Dim   Unladen Height
 Capacity
     D  A  B  C  Low  High  
 Single Axle  8 leaf    876      360  410  9 tonne
   9 leaf
   876      371  425  10 tonne
 Tandem  8 leaf  1232  1054    1054  372  425  18 tonne
   9 leaf  1232  1054    1054  385  439  20 tonne
   8 leaf  1384  1130    1130  373  425  18 tonne
   9 leaf  1384  1130    1130  384  437  20 tonne
   8 leaf  1538  1197    1207  370  423  18 tonne
   9 leaf  1538  1197    1207  384  436  20 tonne
Tri-axle
 8 leaf  1232  1054  1232  1054  378  430  27 tonne
   9 leaf  1232  1054  1232  1054  391  444  30 tonne
   8 leaf  1384  1130  1384  1130  375  428   27 tonne
   9 leaf  1384  1130   1384  1130  388  441  30 tonne
   8 leaf  1538  1197  1538  1207  376  429  27 tonne
   9 leaf  1538  1197  1538  1207  390  442  30 tonne
TMC Suspension Specifications - Underslung:
Model
Spring
Axle Centres
Dim
 Dim Dim   Unladen Height
 Capacity
     D  A  B  C Dim H
   
 Single Axle  8 leaf   930     199    9 tonne
   9 leaf
  930     199    10 tonne
 Tandem  8 leaf  1232 1086   1060 200    18 tonne
   9 leaf  1232 1086   1060 200    20 tonne
   8 leaf  1384 1162   1135 203    18 tonne
   9 leaf  1384 1162   1135 203    20 tonne
   8 leaf  1538 1235   1210 207    18 tonne
   9 leaf  1538 1235   1210 207    20 tonne
Tri-axle
 8 leaf  1232 1086  1232 1060 206    27 tonne
   9 leaf  1232 1086  1232 1060 206    30 tonne
   8 leaf  1384 1162  1384 1135 203    27 tonne
   9 leaf  1384 1162  1384 1135 203    30 tonne
   8 leaf  1538 1235  1538 1210 212    27 tonne
   9 leaf  1538 1235  1538 1210 212    30 tonne

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