The International Harvester TD-18A tractor has a published engine oil capacity of 26 US quarts (24.61 litres). For tractors in the 10.0+ L engine-size class, that is very low versus a peer average of 38.9 quarts. For a routine oil change, having 6 × 1-gal jugs + 2 × 1-qt bottles (about exact) on hand covers the published capacity.
Tractor engine oil specifications
International Harvester · TD-18A · Engine oil capacity guide
Years: 1949 – 1958Capacity: 26 US qt (24.61 L)Engine: 11.3 LFuel: DieselVariants: 1
26 US qt (24.61 L)Engine oil capacity
11.3 LEngine size
DieselFuel
1949 – 1958Model years
Capacity overview
Oil capacity summary
The International Harvester TD-18A has one published engine-oil capacity in this dataset. The listed capacity is 26 US qt (24.61 L). Oil capacity can vary by engine, fuel configuration and production revision, so confirm the specification for the exact tractor before servicing.
Tractor-engine benchmark
How this oil capacity compares
Peer values use tractors in the same engine-size class.
Engine oil capacity
Very low
26 qt
Typical low and high use the 10th and 90th percentile of this engine-size group, which avoids one unusual tractor distorting the scale.
At a glance
Tractor profile
Oil capacity26 US qt (24.61 L)
Engine manufacturerInternational Harvester D-691
Fuel typeDiesel
Cylinders6
Displacement11.3 L
Tractor type—
Overview
Model information
| Manufacturer | International Harvester |
|---|---|
| Model | TD-18A |
| Category | Farm tractor |
| Model years | 1949 – 1958 |
| Tractor type | — |
| Engine / capacity variants | 1 |
Full specifications
Technical details
Engine details
Engine manufacturerInternational Harvester D-691
Fuel typeDiesel
Cylinders6
Displacement11.3 L
Oil service data
Published capacity26 US qt (24.61 L)
US gallon equivalent6.5 gal
Oil to have on hand6 × 1-gal jugs + 2 × 1-qt bottles (about exact)
Peer positionVery low






