What happens when a road needs hot mix asphalt but the nearest plant is closed or hours away?
If your crew had a KM T-2 and usable reclaimed asphalt pavement (RAP) on hand, you could make the hot mix yourself. The machine processes asphalt millings and broken chunks near the jobsite, producing up to four tons per hour for potholes, utility cuts and other localized repairs.
What Does an Asphalt Recycling Machine Do?
When pavement is milled or removed, the recovered material is called reclaimed asphalt pavement, or RAP. It contains aggregate and aged asphalt binder that may be suitable for reuse.
Three Machines With Different Jobs
A recycler remakes the material, a hotbox keeps it ready, and infrared equipment works on pavement already in place.
- Asphalt recycler: Heats and agitates millings or broken asphalt until the material becomes workable hot mix. Asphalt cement may be added when the existing binder is insufficient.
- Asphalt hotbox: Holds hot mix at a usable temperature or reheats previously produced material.
- Infrared equipment: Heats pavement in place so crews can rake, reshape and compact the repair area.
The distinction changes what must be hauled, how material is handled and which support equipment goes to the jobsite.
How the KM T-2 Turns RAP Into Hot Mix
The KM T-2 works in batches. Think of each batch as a short production run with five basic steps. Exact operation should follow manufacturer training and project specifications.
- Load the RAP. Asphalt millings or broken pieces are placed in the hopper.
- Heat and agitate. A rotating drum tumbles the RAP through indirect heat. The burner flame does not contact the material directly, reducing the risk of scorching.
- Monitor the temperature. The operator controls the recycling temperature, typically between 280°F and 360°F.
- Adjust the mix when needed. Asphalt cement may be added when the aged binder does not provide the properties required for the repair.
- Discharge and compact. Once the mix reaches the required temperature and consistency, it is discharged into the repair area or a loader bucket for placement and compaction.
Material Quality Matters
Like any batch process, the output depends on the feedstock.
Moisture: Wet RAP takes longer to heat because the water must evaporate before the asphalt becomes workable.
Contamination: Soil, vegetation and debris can reduce the consistency and performance of the mix.
Particle size: Chunks larger than 12 inches must be broken down before loading. Irregular sizing can also make a batch less uniform.
Binder condition: Asphalt binder stiffens as pavement ages. Some RAP may need additional asphalt cement to produce a suitable repair mix.
Alaska stockpiles should be covered, well drained and separated from the soil. Proper storage limits moisture, frozen clumps and contamination before the RAP reaches the machine.
Where On-Site Asphalt Recycling Can Help in Alaska
The KM T-2 is best suited to work where full truckload deliveries are difficult to schedule and smaller batches can keep a crew moving.
Repairs Far From Asphalt Supply
On remote road, utility and industrial projects, long haul times can cool plant mix before it reaches the repair. Processing RAP near the work area reduces that travel time and the need for repeated deliveries.
Recurring Maintenance Programs
Municipalities and facility operators often face scattered potholes and localized failures rather than one large paving project. Batch production allows the crew to make material around the day’s repair list instead of coordinating a full delivery for several small patches.
Production Capacity and Operating Requirements
Trailer-mounted does not mean hitch-and-go. The tow vehicle, braking setup, travel route and loading area must accommodate the machine.
KM T-2 Operating Specifications
| Specification | Manufacturer Rating |
|---|---|
| Production | Approximately 2,600 pounds every 15 to 20 minutes, up to 4 tons per hour |
| Dimensions | 23’1″ long × 8.3′ wide × 9′ high |
| Machine weight | 8,600 pounds |
| Trailer setup | Dual 7,000-pound axles with electric brakes |
| Fuel system | No. 1 or No. 2 diesel, B-5 biodiesel or kerosene with an 80-gallon tank |
The four-ton hourly rating is a production ceiling. Cold weather and wet RAP can lengthen batch times.
Equipment and Crew Support
The recycler sits at the center of a small production train. A typical operation also needs a properly rated tow vehicle, loader, compaction equipment, hand tools and trained personnel.
Before startup, the foreman needs enough room for the loader to feed the hopper, receive the discharged mix and keep equipment moving safely around the work area.
Can Crews Produce Hot Mix Year-Round in Alaska?
Yes. The KM T-2 is designed for year-round hot mix production. Low temperatures and cold or wet RAP may slow the process, but they do not prevent the machine from operating.
Producing a hot batch, however, does not make every winter repair permanent.
What a Durable Cold-Weather Repair Requires
Hot mix sheds temperature quickly in a cold loader bucket or on cold pavement. Before discharge, crews should excavate the repair, clear loose material, snow and water, and confirm the base is stable. Placement and compaction must follow promptly.
During spring breakup, a pothole may be the surface evidence of a saturated base, poor drainage or frost movement. If the base is soft or water continues entering the repair, fresh asphalt will serve as an interim patch until the underlying failure is corrected.
When Does On-Site Asphalt Recycling Make Sense?
For a foreman or company owner, the number that matters is the all-in cost of getting asphalt into the repair. That calculation should include equipment costs, fuel, labor, RAP handling, mobilization and maintenance. Before investing, consider:
- How much repair material does the operation use each year?
- Is there a dependable supply of suitable RAP?
- What is currently spent on plant mix, trucking and repeat patches?
- Are trained operators and supporting equipment already available?
- Does the KM T-2 production rate match the size and frequency of the repairs?
Those answers provide a realistic payback period based on the operation’s actual workload.
Come Talk Shop With North Star Supply
Wondering whether the KM T-2 would pencil out for your crew? Contact us or stop by our shop about three miles south of the Noisy Goose Cafe in Palmer.
We work with contractors, municipal road departments and maintenance crews across Alaska and would be glad to talk through your RAP supply, repair volume and operating conditions. North Star Supply also carries a broader range of roadwork and construction equipment for Alaska jobs.
