The Case IH Farmall 100C tractor cooling system capacity is 30.3 gal | 114.7 L, coolant type is ethylene glycol-based coolant, and coolant change interval is every 1,500 hours or 2 years.
Case IH Farmall 100C Coolant Capacity Details
| Cooling system capacity | 30.3 gal | 114.7 L |
|---|---|
| Coolant type | Ethylene glycol-based coolant |
| Coolant change interval | Every 1,500 hours or 2 years |
| Coolant mixture ratio | 50/50 antifreeze and water |
| Radiator cap pressure | 13 psi | 90 kPa |
Coolant Capacity Comparison Chart
Coolant Capacity Comparison
Benchmarks use practical low, average and high coolant-capacity ranges for the utility tractor category. Use the exact tractor manual before buying coolant.
Case IH Farmall 100C Extra Coolant Notes
| Engine horsepower | 99 hp | 73.8 kW |
|---|---|
| Engine displacement | 3.6 L | 220 cu in |
| Capacity note | For the Case IH Farmall 100C, the listed cooling system capacity is 30.3 gal | 114.7 L. Buy slightly more coolant than the exact capacity so you have enough for topping off after air burps out. |
| Mixture note | 50/50 antifreeze and water. |
| Radiator cap note | The radiator cap pressure listed for the Case IH Farmall 100C is 13 psi | 90 kPa. Do not replace it with a random cap unless the pressure rating matches. |
| Refill note | Refill slowly, run the tractor until warm with the heater circuit open if fitted, let it cool, then recheck the coolant level. Never remove a hot radiator cap under pressure. |
Case IH Farmall 100C Coolant FAQs
How much coolant does a Case IH Farmall 100C take?
The Case IH Farmall 100C takes 30.3 gal | 114.7 L of coolant. That is well above the normal utility tractor benchmark shown here, so treat it as a full cooling-system service job, not a quick top-up.
Is 30.3 gal | 114.7 L a lot of coolant for a Case IH Farmall 100C?
Yes. For this tractor category, 30.3 gal | 114.7 L is well above normal. This is the sort of refill where you want all coolant on hand before draining, because stopping halfway through the job is annoying and messy.
How many coolant jugs do I need for a Case IH Farmall 100C?
Do not underestimate this refill. A 30.3 gal | 114.7 L system needs about 31 one-gallon containers if you are using premixed coolant. If using concentrate at a 50/50 mix, plan on about 15.2 gal of concentrate and 15.2 gal of distilled water. In metric terms, that is roughly 23 x 5 L containers for a full premix refill.
What coolant should I use in a Case IH Farmall 100C?
The listed coolant is ethylene glycol-based coolant. Ethylene glycol tells you the base coolant, but the additive package still matters on diesel engines, so match the manual or an approved equivalent. The listed mix is 50/50 antifreeze and water, so do not run straight water except as a short emergency move.
How much concentrate and water does a Case IH Farmall 100C need?
With the listed 50/50 antifreeze and water mix, a full 30.3 gal | 114.7 L refill works out to about 15.2 gal of antifreeze concentrate and 15.2 gal of distilled water. If using premix, do not add extra water unless the product label says to.
Can I use a different radiator cap on a Case IH Farmall 100C?
The listed cap pressure is 13 psi | 90 kPa. That higher-pressure cap helps raise the boiling point, but only if the radiator neck, hoses and overflow path are in good shape. A weak cap or damaged seat can still cause coolant loss.
Mistakes do happen. Coolant specs can change by year, engine, market, radiator option and coolant chemistry. Check the operator manual, parts book and official caseih.com website before draining, flushing or refilling the cooling system.




