Used Freightliner Step Van Trucks For Sale
Used Freightliner step vans explained. Compare MT45 vs MT55 specs, powertrains, GVWR, and bodies to choose the right walk-in delivery truck.
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About Used Freightliner Step Van Trucks
Powertrains on used Freightliner step vans are dominated by Cummins ISB/6.7L diesels paired with Allison automatic transmissions, usually 1000 or 2200 series. Earlier units may carry the 5.9L ISB, and some later builds use gasoline V8s for a simpler emissions profile. Diesel delivers better low-end torque and fuel economy, plus proven durability for frequent starts under load. Gas engines reduce DEF and DPF concerns, can run quieter, and may have lower upfront cost, but usually return lower mpg. Emissions era matters. 2007 engines introduced DPF systems, while 2010 models added SCR with DEF. For urban fleets with short hops and long idle times, consider the maintenance history of the aftertreatment system and the suitability of a gas option.
Most used step vans ride on bodies from Morgan Olson or Utilimaster with roll-up or swing rear doors, curbside sliding entries, and configurable shelving. Interior heights vary, often 72 to 85 inches, with straight walls that maximize cube for parcels, uniforms, bakery racks, or service parts. P700, P1000, and P1200 style bodies indicate approximate cargo volume, not just length. Details like a bulkhead door, rear step bumper, translucent roof, e-track, and LED cargo lighting affect productivity and driver safety. For food truck or mobile workshop conversions, focus on wheelbase-to-body balance, generator mounting, electrical capacity, and roof structure for hoods and HVAC.
A smart used-buy checklist starts with payload needs and GVWR, then drills into brakes, tire size, and axle ratio for your route profile. Verify mileage alongside engine hours since idle time is high on delivery trucks. Inspect the aluminum body rivets, floor condition over crossmembers, door tracks and rollers, and any liftgate or ramp for straightness and smooth operation. On diesel units, review service records for DPF, EGR, and SCR components, as well as injector and turbo work. Tight steering, minimal play, clean shifts, solid cold starts, and dry hubs are good signs. Regional considerations matter too. California and some metro areas enforce stricter emissions rules, and salt-state trucks deserve a close look at frame rails and brake lines. Back-up cameras, heater-defroster performance, and effective cab AC improve route safety and driver retention.
Frequently Asked Questions
What is the difference between Freightliner MT45 and MT55 step vans?
MT45 models usually carry 14,000 to 19,500 lb GVWR, 19.5 inch wheels, and hydraulic brakes, which suit dense urban routes and keep operating costs down. MT55 models often run 19,500 to 23,000 lb GVWR with 22.5 inch wheels and larger brake systems, sometimes air brakes, for higher payload and better thermal margin on hills or longer stops. MT45 favors maneuverability and lower curb weight, while MT55 favors capacity and durability under heavier loads.
Is diesel or gasoline better for a step van application?
Diesel engines like the Cummins ISB or 6.7L deliver strong low-end torque, longer service life, and typically better fuel economy, often in the 8 to 12 mpg range depending on route and weight. They do require DPF and, on 2010 and newer models, DEF with SCR, which adds maintenance complexity. Gasoline V8 options simplify emissions hardware and can be quieter with lower initial cost, but fuel economy is generally lower, commonly 6 to 9 mpg. Pick diesel for heavy payloads and long duty cycles, and consider gas for short urban routes with high idle time and simpler maintenance goals.
Do I need a CDL to drive a Freightliner step van?
CDL requirements are based primarily on GVWR, passenger count, and hazmat. Most step vans under 26,000 lb GVWR do not require a CDL for private or commercial use, though company policy and insurance may differ. Air brakes by themselves do not automatically trigger a CDL requirement, but CDL holders can carry an air brake restriction if not tested on air systems. Always verify state rules before purchase.
What body length and interior height should I choose?
Parcel and service routes often work well with 14 to 18 foot bodies and a stand-up interior in the 72 to 85 inch range for faster picks. Heavier routes, bulkier freight, and food truck or mobile workshop builds benefit from 18 to 22 foot bodies with higher interior clearance for equipment, tanks, and hood systems. Match wheelbase to body length so turning radius stays tight for alleys and dense delivery zones.
What should I inspect on a used Freightliner step van before buying?
Confirm GVWR and payload capacity against your route. Check service records for engine, transmission, and aftertreatment work. Inspect floors over crossmembers, body rivets, door rollers and tracks, hinges, and seals. Evaluate brakes, tire wear patterns, steering play, and suspension bushings. Test cold starts, transmission engagement, and verify all electrical, lighting, HVAC, and safety systems. For food truck builds, assess generator space, roof structure, and available electrical capacity.