EFX bus on white background Passenger Capacity
Up to 54

136″, 155″, 174″, 193″, 212″, 231″

Up to 36,200 lbs.

Cummins® ISB6.7 L

Zonar V3 advanced telematics system

Greater seating capacity for the densest routes!

The Saf-T-Liner® EFX is a front-engine, transit-style school bus that is versatile and an excellent value. Like all Thomas Built Buses, the Saf-T-Liner® EFX is made with drivers, passengers, mechanics, and customers in mind. With seating up to 90 passengers and a wider loading aisle, these features make it one of the most innovative school buses on the market. The cockpit is designed for safety, with optimized access to controls, comfort and ample legroom. The engine cover’s design allows for quick, easy and tool-free access to the engine, fluids and belts, keeping routine maintenance time to a minimum. With H.A. DeHart & Son being New Jersey’s exclusive dealer for Thomas Built, you can be sure that support and service will always be there when you need it.

Thomas Built Buses

of New Jersey

H.A. DeHart & Son
A Division of
H.A. DeHart & Son

H.A. DeHart & Son:
311 Crown Point Road
West Deptford, NJ 08086

New Brunswick Location:
19 Home News Row
New Brunswick, NJ 08901

Satellite Office:
H.A. DeHart & Son/
TK Chesapeake
36550 Sussex Highway
Delmar, DE 19940

Mon-Fri: 8am – 5pm
Sat & Sun: CLOSED
Open during Snowstorms

Safety Features

  • Meets or exceeds all State and Federal regulations
  • Roof bows extend to bottom of side panels
  • 12-gauge steel rear corner posts
  • Double-bolted body mounting clips
  • Fuel tank mounted between frame rails


  • Access door for CDL belt check
  • Convenient fluid check hatch
  • Easy-access engine hood requires no tools to remove
  • Streamlined electrical center for easy identification and access
  • Fuse relay centers provide circuit protection and easy diagnostics
  • Exterior electrical access door
  • Front access to wipers, heater core and filter
  • Lights equipped with plug-in connectors
  • Display of fault codes in dash
  • Customer accessory module for aftermarket component hookup
  • Chassis electrical easily accessible in separate compartment

Drive-ability / Comfort

  • Driver cockpit with ergonomic switch placement and spacious seating area
  • 45-degree wheel cut
  • Electronic heater control module
  • Passenger loading functions grouped together
  • High capacity air cleaner
  • 78″ headroom
  • Low-profile engine cover
  • Heavily insulated engine cover
  • Extra storage for personal items or emergency equipment

Driver Visibility

  • Maximum visibility windshield of 3,812 square inches

Available Options

  • Wheelchair lift
  • Tilt and telescoping steering wheel
  • Heated driver’s seat
  • Air suspension driver’s seat
  • Rear air ride suspension
  • Various A/C configurations available
  • AM/FM radio/CD/PA
  • Dual radio capability
  • Remote and heated mirrors
  • Reading lights
  • Various seat options available: bench seat with lap belts, with three-point belts, or integrated child seat
  • LED light packages
  • Acoustical ceiling
  • Under body storage compartment
  • Tinted windows

EFX school bus on a street with houses, trees and flowers

Interior drivers area of EFX showing steering wheel and controls

View of EFX drivers area facing forward

Speedometer and RPM display of EFX bus

Closeup of male driver strapped into seat with safety belt

Closeup of driver's storage compartment being opened