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NMFC 178000 - Elliptic Vehicle Springs | Class 55

Article ID
178000
NMFC 178000 for vehicle/tractor leaf springs
Freight Group
SPRINGS
SPRINGS group: heavy-duty steel suspension parts
Class Range
55 1 classification
Fixed Class 55, no density factor
Hazardous
No
Ships as non-hazardous metal hardware

Classification Details

NMFC Description Class
178000.00 Elliptic or semi-elliptic, vehicle or tractor 55

How to Determine Your Class

To find the correct freight class for your shipment:

  1. Declare NMFC 178000, Class 55 on the BOL and describe as “springs, elliptic or semi-elliptic, vehicle or tractor” with piece count and bundle lengths.
  2. Band leaf springs into tight, evenly spaced bundles with edge protectors; place on sturdy skids or pallets with no overhang and add top frame for stacking resistance.
  3. Cap sharp spring eyes and wrap protruding hardware or brackets to prevent punctures and carrier rewrap fees; use corrugated between layers to stop metal-on-metal scuffing.
  4. For long pieces, use full-length runners and block both ends to avoid shifting; flag shipments over 8 ft to anticipate possible overlength accessorials.

Note: All classifications are subject to Item 170. Verify with official NMFC publications for the most current requirements.

Business Value

  • Fixed Class 55 removes density calculations, cutting reclass risk and yielding predictable LTL quotes.
  • Non-hazardous status widens carrier options and avoids hazmat surcharges for steel suspension parts.
  • Bundled and palletized springs speed dock handling, reducing special handling fees and damage claims.
  • Accurate NMFC labeling and proper blocking minimize inspections, preventing delays and unexpected costs.