Allen Engineering BDF4836B – Bridge Deck Finishers

The BDF4836B from Allen Engineering extends up to 90 feet and paves widths up to 84 feet, making it ideal for full-depth bridge decks and overlays. It can be customized with additional frame sections and a spud vibrator to meet a variety of project specifications.

Description

BDF4836B: Ultimate Versatility for Precision Bridge Deck Finishing

The BDF4836B from Allen Engineering is a high-performance bridge deck finisher designed to handle the most demanding full-depth concrete paving applications. Engineered to pave widths up to 84 feet and extend out to 90 feet, the BDF4836B offers unmatched flexibility, making it an ideal solution for bridge decks, overlays, and specialized roadway work. Whether you’re finishing concrete on a new highway bridge or resurfacing an aging overpass, this machine is a must-have in any serious paving contractor’s fleet.

Equipped with a powerful 23.5 hp air-cooled Kohler CH740 engine, the BDF4836B combines strong, reliable performance with proven durability in the field.

Powered by Kohler CH740 for Reliable, Long-Lasting Performance

At the core of the BDF4836B is the Kohler CH740 engine—a 23.5 hp air-cooled powerhouse that provides consistent torque and reliability under demanding conditions. This engine is designed for continuous operation and reduced maintenance, ensuring the machine stays productive during long paving sessions.

Its dependable power output supports a range of paving attachments and options, allowing contractors to operate vibrators and other essential functions with confidence and precision.

Customizable to Fit Any Project

One of the standout features of the BDF4836B is its modular design. Contractors can easily extend the frame with additional sections and customize the machine with various accessories, including a spud vibrator. This adaptability ensures the unit can meet project-specific specs—whether you’re paving narrow bridge decks, wide multi-lane overlays, or working around rebar and embedded infrastructure.

As a heavy-duty paver machine and specialized bridge machine, the BDF4836B provides a unique combination of size, power, and versatility.

Built for Bridgework and Beyond

Designed specifically for full-depth bridge deck applications, the BDF4836B excels in environments where precision and strength are critical. It delivers the power and control required to place and finish concrete to exacting standards. With robust structural design and rugged construction, it’s also well-suited for other heavy-duty slab applications.

Whether used as a bridge-specific tool or a flexible road paver machine, this unit represents the next level in reliable concrete equipment.

Why Choose the BDF4836B?

✅ Paves up to 84 ft and extends to 90 ft for maximum coverage
✅ 23.5 hp Kohler CH740 engine ensures steady, reliable power
✅ Modular design supports extensions and accessories like spud vibrators
✅ Purpose-built as a heavy-duty bridge machine and multi-purpose paver machine
✅ Trusted solution across job sites using professional-grade concrete equipment

Finish Big with the BDF4836B

For large-scale bridge decks and complex concrete surfaces, the BDF4836B delivers power, flexibility, and top-tier performance. It’s the road paver machine designed to help contractors meet today’s demanding specs with confidence and control.

Specifications

OPERATOR’S CONSOLE ENGINE
Air Cooled KOHLER CH740 / 725 cc
HORSEPOWER CLASS
23.5 hp / 17.5 kW
FUEL TYPE
Gasoline (Diesel option available)
PAVING CARRIAGE ENGINE
Air Cooled KOHLER CH740 / 725 cc
HORSEPOWER CLASS
23.5 hp / 17.5 kW
FUEL TYPE
Gasoline (Diesel option available)
MAXIMUM WIDTH
90 ft / 27.4 m
PAVING ROLLERS
Dual 48 in / 121.9 cm
AUGERS
Dual 8 in Adjustable / 203 mm
SECTION WIDTHS AVAILABLE
3, 4, 6, 12 and 15 ft / 1, 1.2, 1.8, 3.7 and 4.6 m
BOGIES-DRIVER
Two Cupped Wheels – 36 in / 91.4 cm
BOGIES-IDLE
Two Cupped Wheels – 36 in / 91.4 cm
LEGS HEIGHT ADJUSTMENT
44 in (Vertical Adjustment) / 111.8 cm
LEGS (WITH SOLID LEG PLATES)
Manual 6 in or Powered 6 in / Manual 15.2 cm in or Powered 15.2 cm