Johnson Spring and Trailer Fleet Spring Catalog Truck application lookup
Call Johnson Spring 403-318-5164 Application data only · No pricing

Fleet parts lookup

Find the correct leaf pack

Select the truck or enter a leaf-pack number. Only options available through our current supplier catalog are shown.

Supplier listing audit completed October 20, 2026

Supplier verified: Every displayed leaf pack is available through our current supplier catalog. Listing confirmation does not guarantee current stock; final availability and fitment are confirmed at quote time.

Leaf-pack options

Matching springs

Standard HD XHD

Mounting hardware reference

U-bolt options

Always measure before ordering

Fleet quote request

Request this leaf pack

Optional mounting hardware

Measure the existing U-bolts

Add each different U-bolt size needed. Measurements are submitted with this quote request.

U-bolt measurement guide Diagram showing rod diameter D, inside width W, inside length L, and thread length T. W · inside width L · inside length T · thread D · rod
  1. D — Rod diameter: measure the thickness of the threaded rod.
  2. W — Inside width: measure between the inside faces of the legs.
  3. L — Inside length: measure from the inside top of the bend to the end of the leg.
  4. T — Thread length: measure the threaded portion of one leg.

No U-bolt measurements added. Add them if you would like U-bolts included in the quote.

Measure the removed U-bolt. Do not reuse old U-bolts. Johnson Spring will confirm the bend, material, thread, fitment, and final length before manufacturing or supplying replacements.

Johnson Spring & Trailer Need help confirming fitment? Call 403-318-5164.