Milestone Intermodal Chassis (20', 40', 53')
CIE / Milestone Equipment Holdings · Intermodal Chassis · 40 ft · 65,000 lb GVWR
What this trailer does
Intermodal chassis are specialized trailer frames designed to carry standard shipping containers (20-foot, 40-foot, or 45/53-foot ISO containers) between ships, rail yards, and end customers. Milestone Equipment Holdings is the largest intermodal chassis pool operator in North America — Milestone doesn't manufacture chassis directly (built by CIE — Chassis King and other suppliers) but operates the largest fleet of chassis available for daily/short-term lease to shippers and drayage carriers. The chassis pool model is dominant in port markets: drayage carriers rarely own chassis themselves; they pull a chassis from a Milestone or equivalent pool, attach the container, and return the chassis to the pool after delivery.
Specifications
- Manufacturer
- CIE / Milestone Equipment Holdings
- Type
- Intermodal Chassis
- Length
- 40 ft
- Width
- 8.0 ft
- GVWR
- 65,000 lb
- Truck class
- Class 8
- Production
- 2000–present
- Applications
- Intermodal container transport (port drayage, rail-to-truck)
Design and engineering
Open-frame steel chassis with twist-lock connectors at corners to mate with standard ISO container corner castings. Tandem rear axle. Air-ride suspension. Length-specific (20' chassis for 20' containers; 40' for 40', etc.). Some 'gooseneck' chassis can accommodate multiple container lengths.
Generations and major changes
- Modern Intermodal Chassis (2000–present)Continuous evolution — ABS standardization 2009, sliding tandem axles standard, LED lighting standard 2015+.
Reliability and longevity
Pool chassis see hard duty — multiple drivers, multiple loads. Heavy preventive maintenance schedule.
Common problems
Lighting and electrical (drivers reporting outages every shift). Tire wear (high cycle). ABS sensor wiring corrosion in salt-belt. Twist-lock damage from improper container engagement.
Maintenance schedule
Pool operator schedules: full PM every 100,000-150,000 miles or annually. ABS scan every PM. Visual lighting + tie-down inspection every dispatch.
Pros and cons
Pros
- ✓Pool model eliminates chassis ownership burden for drayage operators
- ✓Available at major port and rail facilities
- ✓Milestone's national footprint = consistent supply
Cons
- !Quality varies with maintenance — pool chassis have higher defect rates
- !Daily lease fees ($20-40/day) can add up
- !Driver complaints about old/poorly-maintained chassis are constant
Who buys this trailer
Port drayage carriers, intermodal operators, rail-to-truck shippers. Chassis are leased from Milestone/CIE/TRAC Intermodal pools, not typically owned.
Resale value impact
Pool operator economics — chassis depreciate slowly due to long structural life but lighting/electrical reliability hurts secondary market value.