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Bantam C-450 Concrete Finisher Overview
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Machine Description
The Bantam C-450 is a specialized concrete finisher designed for large-scale paving projects such as bridge decks, flat slabs, tunnels, canals, and city streets. It is built with a pin-connected, all-welded steel main frame, offering robust durability and versatility for a range of construction environments.
Finishing Capabilities
  • The C-450 features a 5-foot (1.52 m) long finishing cylinder that simultaneously compacts and finishes concrete in a single pass.
  • A 6-foot (1.83 m) trailing screed with an innovative vibratory system provides a smooth final finish.
  • The finisher frame width is adjustable in increments from 12 feet up to 72 feet, or with transition framework up to 104 feet for very wide paving.
  • The machine includes a self-widening capability allowing operations on tapered decks and slabs.
  • Equipped with a 360-degree turntable, the upper carriage allows maximum skewing of the undercarriage for perfect alignment with pavement edges.
Power and Controls
  • Two engine options include air-cooled Honda gasoline engines or Yanmar diesel engines, both delivering approximately 19 hp.
  • The hydraulic system offers a self-contained console with smoothly variable travel controls, positioned for operator safety and convenience, including touchscreen operation for high-production screeds.
  • Power transition adjusters on the frame enable infinite, hydraulic adjustment of crown and grade for seamless paving results.
Undercarriage and Mobility
  • The machine runs on hydraulically driven bogies with two drive and two idler wheels typically 3.25 inches wide, designed for stability and traction.
  • Optional third wheel assist adds support on rails to reduce wheel load on overhang brackets.
  • Tires for transport include 10 inch x 15 inch wheels with 12-ply tires and removable towing tongue for ease on job sites.
Additional Features and Options
  • Auxiliary hydraulic circuits provide power for attachments such as vibrators and pan-type finishers.
  • Adjustable auger assemblies handle large volumes of concrete, with vertical adjustment for mix consistency.
  • Optional slope paver conversion kits allow finishing slopes up to 1:1 grade with minimal hand finishing.
  • Features like hydraulic vibrator mounting and floating pans improve finishing quality on specialized concrete overlays.
Historical Context
  • Bantam equipment has been known for reliable heavy construction machinery, including cranes and concrete finishing machines.
  • The C-450 continues the legacy of delivering high productivity and accuracy essential for modern infrastructure projects.
Glossary
  • Finishing Cylinder: Component used to compact and smooth concrete surfaces during paving.
  • Screed: Tool used to level and smooth freshly poured concrete.
  • Bogies: Wheel assemblies that support and move the machine.
  • Power Transition Adjuster: Hydraulic mechanism adjusting crown elevation on the fly.
  • Slope Paver Conversion Kit: Allows machine to operate on slopes without sacrificing finish quality.
Summary
The Bantam C-450 Concrete Finisher serves as a versatile and powerful machine tailored for large and complex paving projects. Its adjustable width, innovative finishing technology, and efficient hydraulic systems combine to minimize manual finishing and enhance surface quality. With multiple engine and accessory options, it meets varied project demands while continuing Bantam’s reputation for durable, specialized construction equipment.
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