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Tractor engine painting is one of the best restoration and maintenance processes for your tractor that ensures durability for the engine. The painting process isn’t complicated and it can be done from the comfort of your home. You may have seen a tractor engine being painted and wondered the reason behind it. So, why paint a tractor engine?
Painting a tractor engine mainly protects it from rust and corrosion. Additionally, it gives your tractor an extra wow factor in case you are planning to sell it; painting it with an eye-catching color gives you a better chance of selling it at a higher price. You also get to customize your tractor to your liking!
You could choose to paint your engine tractor in five minutes and call it a day, but there are many tips that will ensure that upon painting the engine, the paint stays the same, for a long time. Bearing in mind that heat emanating from the engine makes the paint fade, painting your tractor engine correctly is the best way to keep it protected.
Preparing a tractor engine for painting
Painting the engine when rebuilding gives it an attractive and clean appearance, protects it from rust and corrosion, as well as providing a custom look that can match your tractors’ paint color or a color of your choice. The following are simple steps to follow when preparing a tractor engine for painting:
1. Disassemble your engine completely
Detach all bolt-on parts attached to the engine
Remove the pistons and crankshaft
Drain fluids completely and remove dirt
2. Degrease Engine
Degreasing the tractor engine ensures that it’s free from all grease, oils, and dirt; painting the engine when there’s some oil left makes it impossible for the paint to adhere to the engine properly.
Use aerosol cleaner degreaser to spray the engine; coat the tractor engine completely in the degreaser spray, allowing it to soak as outlined in the cans’ instructions
Use clean water to rinse the engine completely; spray the engine using a pressure washer or a garden hose to get rid of the degreaser completely
Use an air compressor to blow water from the engine; leaving water on the engines’ surfaces may cause corrosion, especially if the engine is made from cast iron
Ensure that all oil and grease are gone from the exterior surfaces of the engine
Re-apply degreaser if needed; check for any remaining spots that may require degreasing
3. Mask the engines’ internal parts
Cover the internal parts, small studs, and bolt holes with newspaper and masking tape
Check the engine to ensure that there are no openings to the engines’ interior
Cover all the surfaces that you don’t want the painting material to get to
Ensure that the paint doesn’t get in the coolant or oil by covering the entry points properly
4. Clean any old or loose paint from the engines’ surface using a media blaster.
Spray the surface using a diluted vinegar solution.
5. Use an air compressor to dry the engines’ surfaces.
Once the surface is completely dry, you are ready to paint your engine!
How to clean a tractor engine for painting
For paint to stick to your engine for the long term, the engine needs to be scrapped off any dirt or loose paint. The following are steps to follow when cleaning the tractor engine in preparation for painting:
Fill the media blasters’ hopper with soda media, preferably granular baking soda; it safely removes corrosion and loose paint from the engine. Baking soda is abrasive but soft enough to clean without damaging crucial internal parts. The baking soda blasts away rust and loose paint from the engine, leaving the metal underneath exposed
Attach the media blaster and switch on the compressor, allowing it to charge with air. Point the media blasters’ nozzle to the engine, and then pull the trigger. (Put on a dust and eye protection mask)
Move the tip of the blaster over the engine as much as possible, getting rid of all the loose materials. Stop occasionally to allow the compressor to recharge, as well as refilling the media hopper
Finish blasting if there’s nothing left to get rid of or if there’s no more paint coming off
Spray the engines’ surface with diluted vinegar solution; ensure that you don’t saturate the masking tape and newspaper. (Dilute one cup of vinegar with one cup of water.) The foaming action will take place as the soda media is neutralized by the vinegar
Use an air compressor to blow the engines’ surface dry
Give the engine a few days before painting; when the engines’ surface is completely dry, you are ready to start painting! Waiting for too long may force you to media blast rust and corrosion from the engines’ surface again before painting.
When the engines’ surface is completely dry, you are ready to start painting!
Should you prime a tractor engine before painting?
Upon filling rust pits and stripping old and loose paint from the engine surface, the best way to cover the remaining imperfections is by using a filler primer, also known as a high-build primer or heavy-bodied primer. Filler primers are basically acrylic urethane and are designed to fill in the pits on the engines’ surface from rust or sanding.
For perfect results when applying a primer, you should apply an epoxy primer, degreaser, followed by one or more coats of filler primer, and 4 coats of acrylic urethane coat. However, you can choose to apply as many primer coats as you’d like, as long as you do sanding between each coat. Applying a primer on a tractor engine is recommended since it ensures a smoother, more attractive, and shinier finish.
What kind of paint is used on tractor engines?
The most preferred paint for tractor engines is Synthetic Enamel since it’s the most durable and heat resistant. Enamel paint allows you to choose the engine color, as well as allowing you to choose the finish you prefer. Enamel paint is excellent for tractor engines since it adheres well and cures properly, which ensures that there’s no flaking. Paints such as Rust-Oleum and Dupli-Color are some of the most popular when it comes to tractor engine paint and you can check them out through our links on Amazon.
What is the Best Paint For Tractors?
There are all kinds of paints you can use for the body of a tractor, including a variety of colors and brands. You can either brush the paint on or spray it with a sprayer, whichever you prefer. I recommend using either Krylon Farm & Implement high gloss paint or Rust-Oleum brush on paint for the body. However, if you prefer enamel paint, you can use Majic Paints oil-based enamel paint or Rust-Oleum enamel spray paint.
For engines, however, I would highly recommend not using enamel paints, as they are usually not very heat resistant. Instead, it is better to use heat-proof paints. Apart from the one I mentioned earlier, you can also use the Por-15 Aluminum High-Temperature Paint or VHT Flame-proof cast iron paint.
How many cans of paint does it take to paint a tractor engine?
If the engine is properly cleaned and primed, two cans of paint are enough to paint the tractor engine.
How to paint a tractor engine?
The heat that emanates from the engine wreaks havoc on paint, making it fade with time. However, there are some simple yet effective steps that you can follow when painting your engine to ensure that the paint doesn’t come off or fade, even after using your car for decades:
Upon disassembling the engine, wipe it clean using a paint thinner, grease, and wax remover
Cover the engines’ surfaces and base using masking tape, then soda blast the engine block using baking powder
Cover the main cavity, lifter valley, and piston bores with two layers of a newspaper; ensure that any holes in the engine are taped up
Set up the media blaster; remember that tougher spots such as pitted edges and inside corners are more difficult to reach when blasting and will require more concentration
Note: Soda blasting will leave a residue on the engines’ surfaces, which will require neutralization. Choosing to skip the neutralization process is similar to soaking the engines’ oil before painting; meaning that the paint will simply fall out. Spraying the engines’ surfaces with diluted vinegar solution is highly recommended, followed by the installation of the heads, minus gaskets.
Tape up the engine, leaving only the areas that need painting exposed; you will need to tape up hose areas and gasket surfaces
Use a measuring cup and mix adequate Napa base color to fill s single cup for the gun
Apply primer on the engine surfaces as required
Spraying the paint; use a gun that has a smaller fan, to avoid over spraying paint on the engine; remember that paint spraying only requires a light touch to get just enough paint on the surfaces without it becoming splotchy.
Rotate the engine for you to spray on the underside; be sure to reach all the crannies and nooks
Spray the metal flake using a gun that has a larger tip; be careful not to do it excessively in one area. This is an optional step but it’s highly recommended if you want to achieve that shiny look
Spray a coat of clear; ensure that it’s a light coat
Remove the newspaper and masking tape from the engines’ surface when the paint has completed the curing process.
Assemble the engine
Note: You could choose to hire a paint booth from a body shop. Additionally, you will need a respirator that comes with charcoal packs; this protects you from the poisonous vapors emanated by the paint. The painting process will roughly require two days to complete.
Can you Paint a Tractor with a Brush?
Many people believe that when it comes to tractors, spray painting is more effective than brush painting. Although it has some truth to it, brush painting, if done properly can give pretty good results as well. The ideal size of the brush will depend on which part of the tractor’s body you’re painting. I’d recommend getting yourself a Rottweiler 6PC Paint Tool Set to have everything covered.
