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4 Ton BIG A KM-8000T Diesel Heated Asphalt Box Trailer

2023 Notice: While supply chain problems are better than last year, we anticipate them to continue for 2023. Please expect some delays. view details

image: BIG A KM-8000T Front Right overview
image: BIG A KM-8000T Left Side overview
image: BIG A KM-8000TEDD close up
image: BIG A KM-8000TEDD man closing fill door
image: BIG A KM-8000TEDD temperature control box
image: BIG A KM-8000TEDD dumping
image: BIG A KM-8000TEDD dumping
image: BIG A KM-8000TEDD being filled with asphalt
image: BIG A KM-8000TEDD with man leveling load closeup
image: BIG A KM-8000TEDD with man leveling load overview
image: BIG A KM-8000TEDD with man opening fill door
image: BIG A KM-8000TEDX showing open fill doors
image: BIG A KM-8000TEPD dump mode
image: BIG A KM-8000TEPX Overview

Ordering by Phone? Make sure you have the right product. Check the Product SKU List below.

4 Ton BIG A Diesel Hot Box Trailer
List price: $32169
+ Shipping
Contract Available
Built on Order
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Quick Overview: 
  • 8,000 lb (4 ton) 2.78 cubic yard capacity
  • Pull behind trailer hitch design
  • Diesel Fired with Temp Control: 100º F to 350º F


The BIG A KM-8000T Heated Asphalt Box Trailer is the ideal 4 Ton Trailer Mounted Asphalt Hot Box reclaimer for municipality’s or contractors who need an asphalt reclaimer for repairing asphalt roads and needed road repair due from cut-ins and potholes. Holding 8000 lbs. of material, the BIG A KM-8000T is great for those larger jobs.

Our hot boxes are professional grade and designed with the paving contractor in mind. All components are of the highest quality. This is a diesel fired trailer mounted asphalt hot box with a 105,000 BTU burner system. The triple welded steel,16 gauge skin, and 12 gauge asphalt compartment ensure that you will get many years of use from this heated asphalt box trailer.

This high-quality hot box sits on top of dual 7,000lb TORFLEX axles equipped with standard electric brakes and then mounted on an 8” channel frame making this system extremely tough and ready to carry a full load of 4 tons of milled asphalt. The dual insulated filling door, has cantilever handles making filling fast and easy, and the entire box including the duel shoveling doors are insulated with 2”-3” of high-efficiency insulation for very high heat retention ensuring your load of asphalt millings stay hot from the plant to the job site.

The BIG A KM-8000T Asphalt Box Trailer allows the user to maintain hot mix asphalt (HMA) or cold patch material at a workable temperature for up to 48 hours for transportation and use, or reclaim bulk stored un-compacted virgin mix overnight (8-10 hours. For optimum asphalt, rejuvenation uses our Asphalt Rejuvenator. It will reintroduce needed oils back into the HMA keeping it pliable.

This system uses a thermostatically controlled heating system for better fuel efficiency, and all burner and key components mounted above the frame and in steel enclosure keeping them out of the weather and road grime. The diesel control panel utilizes PLC and HMI digital control system. Control panel has 168 hours (7 days) on delay timer and low temp thermostat.

Choose from a propane or diesel fired models and you can also choose between a solid or hydraulic dump style trailer. Give us a ring +1(800) 689-2098 for more details, options and ordering information.

Product SKU List

These are the SKU numbers to give if you plan to buy over the phone. To see pricing changes (if any), click on the "drop down" arrow in the Add to Cart section above.

Standard Trailer


Dump Trailer



2 Year Limited / 5 Year Limited
  • 2 Year Limited - The main product comes with a 2 year (24 month) limited warranty from the time of purchase, on parts and workmanship.
  • 5 Year Limited - The trailer frame structure comes with an extended five (5) year warranty

Parts that are not explicitly made by this manufacturer, may come with a different warranty period or policy. See this products respective operations manual for a detailed version of the warranty policy and a full list of items that are covered or may become void due to improper maintenance.


  • Available in 18′ or 20′ length

  • Holds up to 4 tons (8,000 lbs) of material

  • Heating element output of 105,000 BTU diesel

  • Thermostatically controlled with 100% safety shut down

  • Electronic pilot fuel ignition

  • Two filling doors insulated with cantilevered shock assist that takes 15 pounds of pressure to open

  • Two insulated sliding shoveling doors with track design, 10″W x 16″H

  • Gravity feed slanted walls funnel design for easy discharge to shoveling doors

  • All welded steel, triple welded construction 16 gauge skin, 12 gauge asphalt compartment

  • Trailer weight capacity of 14,000 lbs. GVWR

  • Dual 7,000 lb. leaf spring axles with electric brakes on all wheels and emergency breakaway feature

  • Maintain HMA for a period of 48 hours or reclaim bulk stored virgin mix overnight


  • Dump: Dump or Non Dump available (52⁰ dump feature for full discharge of material)

  • Solvent Tank: 7 Gallon Utility Solvent Tank - Mounted on Trailer

  • Tool Rack: 4-6 Hole Tool Rack - Mounted on Trailer

  • Spare Tire, Loose: ST235/80R16 Tire & Rim - Not Mounted on Trailer

  • Spare Tire, Mounted: ST235/80R16 Tire & Rim - Mounted on Trailer

  • Light Bar: Directional Arrow Board & Controller - Mounted on Unit

  • Strobe Light: Amber Strobe Light, Mounted and Switched

  • Hoist - Manual: Loading Hoist/ Winch & Davit - Manual Operation

  • Hoist - 12V: Loading Hoist / Winch & Davit - 12 V Powered - Remote

  • Hand Torch: Hand Torch with a retractable hose reel **Additional Propane Bottle Supplied

  • 30 Gal Tack: 30 Gallon Heated Tack Tank 10,000 Btu Propane Burner

  • Spray Tack Unit: ¾ Roper Pump, Spray Wand and 5.5 HP Honda Engine

  • Extended Trailer (2 Ton): Adds 2 ft to overall length (20 ft total) to accommodate Options

  • Mounted Deck for 2-18X: Deck Mounted to fit KM 2-18X on Front of Hotbox trailers

  • Wash Down Spray System: 12V On Demand Pump, 5.3 GPM, 7 PSI, 1 Gallon Tank, Rear Mounted Hose Wrap with Spray Wand

  • 5 Gallon Bucket Holder: Holder to secure a 5 gallon bucket during transport

  • Plate Compactor Basket: 24” x 28” Mounting Basket for Plate Compactor

  • Roller Cradle Basket: Roller Cradle for BOMAG BW55E Roller or Similar Model

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Shipping Weight
Weight: 4250 lb
Shipping Dimensions
Dimensions: 240 in × 96 in × 78 in