Optimized for your vehicle

Onspot is not a ‘one size fits all’ solution. Its different parts are combined for your specific vehicle to provide optimal fit and operation. To get the correct Onspot you should measure the vehicle, which takes approx. 10 minutes. Then complete the Vehicle Suspension Information Form (Measuring form) for the vehicle you wish to fit.

Forms for measuring your vehicle

Instructions by truck/suspension brand  A-Z.

Standard

Form #3130009

For air brake equipped vehicles with standard U-bolt positioning. (Most vehicles)
Download here
Chassis Without Air Brakes

Form #3130008

Medium Duty Trucks, Vans and Cargo Vans

GM C, K, and G Series

Ford F-series (see inverted u-bolt form for E-series)

Dodge / RAM

Sprinter
Download here
Walking Beam

Form #3130018

For walking beam type suspensions commonly found on vocational applications.

Includes Hendrickson cast beam, fabricated, HAULMAAX. HAULMAAX EX, ULTIMAAX
Download here
Inverted U-Bolt

Form #3130010

For smaller vehicles with inverted U-bolts and fuel tank and exhaust considerations.
Download here
PRIMAAX EX / FIREMAAX EX

Form #3130069

For use on Hendrickson Primaax or Firemaax suspensions
Download here
TufTrac (GEN I & GEN II) and Volvo B-Ride

Form #3130090

For TufTrac and Volvo B-Ride suspensions with u-bolts or regular bolts.
Download here
Neway

Form #3130048

Neway's Heavy Duty Air Suspensions.
Download here
Neway ADZ

Form #3130070

Neway ADZ Suspension.
Download here
Ottawa Yard Tractor

Form #3130021

For Ottawa yard tractors with torque link (solid suspension).
Download here
Mack Camelback

Form #3130034

For use with Mack Camelback suspension
Download here
MCI

Form #3130038

For MCI Coach
Download here
Trailer

Form #3130053* 

Trailer Suspensions

*Trailers with U-bolt nuts on bottom use Form 3130009
Download here
U-Bolt Measure

Form #3130056

U-bolts over 5/8" are NOT supplied with the chain kit. If ordering u-bolts from Onspot, please use form to measure and note on VSI form.
Download here
Capacity Yard Tractors (Air Ride)

Form #3130029

For Capacity Yard tractors with the Dure-ride suspension (NOT solid mount)
Download here

Do you need more help?

Click the link below to watch the video for measuring instructions.