AtlasRV offers three variations (two models OE) of coil spring for Track Tvan 2000-current
 
The following springs are standard fitment at factory (Track Trailer)
Factory ATM 1500kg - SPTT-005
Factory ATM 1800kg - SPTT-753
 
AtlasRV recommend the following spring models based on travel weights (total van weight including drawbar with full water tanks)
 
Min-1250kg - SPTT-005
 
1250-1550kg - AAG-005B (15% rate increase on SPTT-005)
 
1550-1800kg - SPTT-753 (33% rate increase on SPTT-005)
 
Note - The AAG-005B provides a spring rate between the two OE options and is suitable for most application. The AAG-005B is sourced from the same supplier as the OE options (King Springs)
 
Note - Track now source their springs from Tenneco. Tenneco springs are also available at customer request and are commonly stocked.