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Strong History

The spark that ignited Ram Flame’s existence was the determination of a Colorado farmer and a machinist to invent a better machine to burn the irrigation ditches and canals of the western United States. First developed in the 1990s by this northern Colorado farmer and machinist partnership, the original ditch burner quickly developed a strong and loyal following. An early fan was one of Colorado’s largest irrigation and ditch companies, which took ownership of the burner business before subsequently selling to Ram Flame LLC so that national and international demand could be met.

Continuous Innovation

With the increasing popularity of organic farming, Ram Flame perceived an opportunity to serve a largely unmet demand for a chemical-free, environmentally friendly method of weed control. Although flaming was a popular and effective weed control practice in the United States beginning in the early 1900s and into the 1960s, it was all but extinguished with the onset of herbicides. In contrast, Europeans’ reluctance to wholeheartedly embrace herbicides gave them a competitive advantage in the continued development of flaming technology. Ram Flame became the fortunate beneficiary of this European flaming technology through its collaboration with the United Kingdom’s leader in the manufacture and sale of agricultural flaming equipment.

Quality & Reliability

Today, the combined multi-decade history and experience of Ram Flame and its European partner allow Ram Flame to offer the North American market a broad line of the highest quality and most effective agricultural flaming equipment. Ram Flame machines are proudly manufactured in the Selle Valley of Sandpoint, Idaho, near the shores of beautiful Lake Pend Oreille and at the base of Schweitzer Mountain.


Flaming, Not Burning

“Flaming” is not the same as “burning.” Whereas burning ignites the weeds on fire, flaming kills weeds with heat. When properly flamed, the weeds are never ignited. In contrast, such as with Ram Flame’s ditch burners, burning purposely ignites the weeds as a means of weed control and also debris-clearing.

How Heat Kills Weeds

The intense heat produced by the propane flame causes the internal temperature of the plant cells to rapidly increase and rupture. The ruptured cells result in a loss of water and denaturing of proteins, causing the plant to wilt and eventually die. If the objective is to merely stunt a plant, less intense heat may be applied.

Factors in Successful Flaming

Variables such as plant species and weather conditions affect the flaming environment. However, exposing a plant to intense heat of 900° C (1652° F) for 1 second is typically sufficient to rupture a plant’s cell structure. Propane gas pressure, tractor speed, and machine design are all factors that contribute to the amount and duration of heat that is applied. Ram Flame’s machines are designed to promote fuel efficiency by maximizing heat intensity and exposure.

Thumbprint Test

The rule of thumb for testing the success of flaming is the “thumbprint test.” After a plant has been flamed, squeeze the plant between your thumb and forefinger. A remaining darkened thumbprint on the plant confirms that the plant has been exposed to enough heat for a sufficient duration. The plant will subsequently wilt and die.


Our Ram Flame machines burn propane, which as a fuel source is clean, efficient and affordable.

History of Flaming and Its Revival

While the technology has improved dramatically, the practice of flaming is not new. Flaming was developed in the early 1900s and became a widely accepted practice of combating weeds among a variety of crops. It is estimated that at the peak of flaming’s popularity, there were approximately 15,000 flamers in operation within the United States.

Despite its effectiveness, the popularity of flaming dwindled with the onset of widespread herbicide use in the 1960s. Today, however, flaming is making a revival. The primary factors that are fueling the renewed popularity of flaming are the accelerating growth of organic farming, heightened concerns about the health and environmental risks of herbicide use, and the increasing prevalence of herbicide resistant weeds.

Flaming was developed within the United States, but Europe arguably refined the practice and technology. Relative to the United States, Europe was more reluctant to abandon the practice of flaming when herbicide use became the trend. Consequently, European companies continued to improve their flaming technology throughout the last century. Ram Flame is the fortunate beneficiary of Europe’s refined flaming technology through its collaboration with the United Kingdom’s leading flaming equipment manufacturer.

Before After


Field Flamers


Width: Series FB2000-20; 20 feet wide
Series FB2000-10; 10 feet wide

Tank: Series FB2000-20; 500 gallon, tractor front-mounted propane tank (mount cage included)
Series FB2000-10; 250 gallon, tractor rear-mounted propane tank

Weight: Series FB2000-20; 3500 lbs. burner, plus 3000 lbs. full tank (front mount 500 gal.)
Series FB2000-10; 3500 lbs. combined burner and full tank (rear mount 250 gal.)

Hitch: Category 2, 2N, 3, 3N, and 4N three-point hitches


Air Curtain: An air curtain is created as pressurized air, generated by the hydraulically powered fan, is forced through a cavity and out a thin outlet at the rear of the burner. The air curtain circulates air from the burner manifold back toward the rear of the machine so that the heat is properly dispersed throughout the burn chamber, ensures a favorable mix of propane gas and oxygen for an optimal flaming environment, and helps prevent wind from blowing heat forward toward the tractor.
Insulated Burn Chamber: The burn chamber is insulated with ceramic fiber, thereby maximizing fuel efficiency by trapping the heat within the canopy and exposing the plants to a higher temperature for a longer duration.
Adjustable Height Side & Center Plates: The height of the side and center plates is adjustable, allowing for expansion or contraction of the burn chamber to better accommodate different height plants.
Under-Canopy Mounted Vaporizing Tube: Fuel efficiency is maximized by vaporizing liquid propane in a vaporizing tube mounted to the underside of the canopy.
Hydraulically Folding Wings: The wings on the 20 foot wide Series FB2000-20 may be hydraulically folded for ease of transportation.
Removable Wind Shields: Removable wind shields help prevent cross winds from extinguishing the machine’s flames.
Fork Lift Channels: Fork lift channels permit the machine to be easily moved when not connected to a tractor.
Remote Ignition: The torch heads are ignited remotely from the comfort and safety of the tractor cab.


Pre-Planting Flaming (Seedbed Sterilization): The organic farming practice of pre-planting flaming encourages weeds to grow so that they can be flamed, prior to planting the crop. The crop is subsequently planted in a stale seed bad that is void of weeds, bacteria and insects.
Pre-Emergence Weed Flaming: The organic farming practice of pre-emergence weed control consists of flaming the field prior to the emergence of the crop, thereby killing the weeds that emerge earlier than the crop and that would otherwise have a competitive advantage over the crop. Pre-emergence weed flaming is particularly useful for slow-emerging crops.
Post-Emergence Flaming: Post-emergence flaming is an organic weed control method for use with resilient crops that can quickly recover from heat induced damage, or hardy crops that have a greater heat tolerance than adjacent weeds.
Soil Hygiene: In addition to weed control, flaming heat treatments affect molds, spores, pests, viruses and bacteria.
Post Harvest: Exposing unwanted vegetation and post harvest debris to high levels of heat speeds up the rate of decomposition, in addition to killing any weeds, seeds and diseases that would otherwise threaten the new crop.
Potato Desiccation & Blight Control: Flaming is an organic method of desiccating potato vines to halt growth and set the potato skins. Also, flaming is an effective organic blight control method used by potato farmers.


propane row flamer. weed control in normal and organic farming
Row Flamers


Width: 20 feet wide standard (optional alternative widths)

Tank:120, 250 or 500 gallon rear-mounted propane tank

Weight: 3000 lbs. combined burner and full tank (rear mount 250 gal.)

Hitch: Category 2, 2N, 3, 3N, and 4N three-point hitches


Adjustable Wheel Height: The wheel height is manually adjustable to accommodate different flaming heights.
Adjustable Hood Height: The hood height is manually adjustable to accommodate different flaming heights.
Multiple Hood Design & Configuration Options: Multiple hood designs and configuration options are available to meet your specific needs.
Hydraulically Folding Wings: The wings on the 20 foot wide Series RB1000-20 may be hydraulically folded for ease of transportation.
Adjustable Storage Support Legs: The storage support legs are manually adjustable and may be lowered to support the flamer for storage and raised to avoid any obstruction during flaming.
Remote Ignition: The torch heads are ignited remotely from the comfort and safety of the tractor cab.
Durable Powder Coating Finish: The machine has a durable powder coating finish.


Row Flaming: Flaming the row crop targets in-row weeds and is an option if the crop is hearty enough to withstand the heat from flaming.
Inter-Row Flame Cultivating: Flaming between crop rows is an alternative inter-row cultivation option.
Seed Flame Stunting: Flaming the male plant can stunt its growth and delay pollination.


irrigation ditch burner for weed control. Propane fuel
Ditch Burners
DB26- 26′ reach
1- 120, 250, or 500 gallon, rear-mounted propane tank
2600lbs. combined burner and full tank (rear mount 250 gal.)
Category 2, 2N, 3, 3N, and 4N three-point hitches

Approximate fuel usage:

20-30 psi uses approximately 9 gallons per hour with a two burner head.


180° Lateral Swing: Expansive 180 degree side-to-side swing.
Vertical Lift: A versatile vertical lift allows the boom to be lowered deep into the ditch.
Joystick Control Box: A joystick-operated control box is standard.
Remote Ignition: The torch heads are ignited remotely from the comfort and safety of the tractor cab.
Powder Coating Finish: The burner has a durable powder coated finish.


Ditch Burning: The boom burner is ideal for irrigation ditch and canal debris-clearing burns.
Fence Line Burning: Burning a fence line is convenient with the boom burner’s versatile and expansive reach.
Shoreline Burning: The boom burner is a non-chemical, environmentally friendly way to control shoreline weeds.


Contact us for your specific application needs.


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