Brand siblingCaseIH Farmall 40
The CaseIH Farmall 40 is a compact yet powerful tractor designed for various farm tasks. It features a Shibaura N844 engine, which is a 4-cylinder diesel engine with 121.7 ci displacement. This engine produces 40 hp at 2600 rpm, making it suitable for small to medium-sized farms. The tractor has a power steering system for easy handling and a Synchro Shuttle transmission with 12 forward and 12 reverse gears, offering plenty of options for different jobs. This Farmall model is built with practicality in mind. It has a rear Type I hitch and both rear and mid PTO options, allowing for various attachments. The open center hydraulic system provides good performance for implements. With dimensions of 125.2 inches long, 66.6 inches wide, and 90.79 inches tall, it's compact enough to work in tight spaces. The tractor weighs 3252 lb, giving it a good balance of power and maneuverability. It comes with an open operator station and runs on agricultural tires, making it well-suited for field work.

Quick specs
- Category
- Sub-Compact
- Engine Power Output
- 40hp
- Operating Weight
- 3,252 lb
- Transmission
- Synchro Shuttle
At a glance
How the Farmall 40 compares
vs. Sub-Compact medianDistribution
Engine Power (hp)
Across all Sub-Compact tractors
This model
The Farmall 40 ranks at the 76th percentile for engine power among recorded sub-compact tractors.
Overview
About the CaseIH Farmall 40
The CaseIH Farmall 40 is a compact yet powerful tractor designed for various farm tasks. It features a Shibaura N844 engine, which is a 4-cylinder diesel engine with 121.7 ci displacement. This engine produces 40 hp at 2600 rpm, making it suitable for small to medium-sized farms. The tractor has a power steering system for easy handling and a Synchro Shuttle transmission with 12 forward and 12 reverse gears, offering plenty of options for different jobs. This Farmall model is built with practicality in mind. It has a rear Type I hitch and both rear and mid PTO options, allowing for various attachments. The open center hydraulic system provides good performance for implements. With dimensions of 125.2 inches long, 66.6 inches wide, and 90.79 inches tall, it's compact enough to work in tight spaces. The tractor weighs 3252 lb, giving it a good balance of power and maneuverability. It comes with an open operator station and runs on agricultural tires, making it well-suited for field work.
Full specifications
Every recorded spec
General
| Manufacturer | CaseIH |
|---|---|
| Model | Farmall 40 |
| Category | Sub-Compact tractor |
| Operating weight | 3,252lb |
Engine
| Make | Shibaura |
|---|---|
| Model | N844 |
| Power | 40hp |
| Cylinders | 4 |
| Displacement | 121.7ci |
Transmission
| Type | Synchro Shuttle |
|---|---|
| Forward gears | 12 |
| Reverse gears | 12 |
Chassis & drive
| Steering | Power |
|---|---|
| Cab | Open |
Hydraulics
| Type | Open Center |
|---|
Power take-off
| Rear PTO | Rear PTO- 540, Mid PTO- 2000 |
|---|
Dimensions
| Length | 125.2in |
|---|---|
| Width | 66.6in |
| Height | 90.79in |
| Operating weight | 3,252lb |
Head to head
Farmall 40 vs. Sub-Compact median
How the CaseIH Farmall 40 compares to other Sub-Compact tractors
| Spec | This model | Sub-Compact median | Difference | Percentile |
|---|---|---|---|---|
| Engine Power | 40 hp | 26.9 hp | +49% | 76th |
| Engine Displacement | 122 ci | 91.4 ci | +33% | 68th |
| Cylinders | 4 | 3 | +33% | 90th |
| Forward Gears | 12 | 9 | +33% | 73rd |
| Operating Weight | 3,252 lb | 2,700 lb | +20% | 61st |
| Length | 125 in | 113 in | +10% | 69th |
| Width | 66.6 in | 50.7 in | +31% | 91st |
| Height | 90.8 in | 78.4 in | +16% | 76th |
Medians and percentiles are computed from the sub-compact tractors in our database with a recorded value for each spec (sample sizes 584–816 models).
Compare to tractors with similar specs
Commonly compared CaseIH tractors
| Tractor | Engine Power | Operating Weight | Years | Compare |
|---|---|---|---|---|
| CaseIH C42 | 42 hp | 5,204 lb | — | Compare → |
| CaseIH DX33 | 33 hp | — | — | Compare → |
| CaseIH C48 | 48 hp | 5,248 lb | — | Compare → |
| CaseIH CS 48 | 48 hp | 5,976 lb | — | Compare → |
| CaseIH Farmall 31 | 31 hp | 2,511 lb | — | Compare → |
Commonly compared tractors with similar horsepower from other brands
| Tractor | Engine Power | Operating Weight | Years | Compare |
|---|---|---|---|---|
| Advance-Rumely OilPull K 12/20 | 40 hp | 6,430 lb | — | Compare → |
| Allis Chalmers 160 | 40 hp | 4,674 lb | 1970–1975 | Compare → |
| Allis Chalmers 5040 | 40 hp | 3,858 lb | 1976–1980 | Compare → |
| Allis Chalmers 6140 | 40 hp | 4,000 lb | 1982–1985 | Compare → |
| Allis Chalmers D15 Series I | 40 hp | 3,990 lb | 1960–1963 | Compare → |
Explore
CaseIH siblings
Explore
Similar-spec models
Gallery
CaseIH Farmall 40 photos






FAQ
Common questions
How much horsepower does the CaseIH Farmall 40 have?
The CaseIH Farmall 40 produces 40 hp from its 4-cylinder engine. Engine displacement is 121.7 ci.
How much does the CaseIH Farmall 40 weigh?
The CaseIH Farmall 40 weighs about 3,252 lb in operating condition.
What transmission is in the CaseIH Farmall 40?
Transmission on the CaseIH Farmall 40 is Synchro Shuttle, with 12 forward speeds.
What hydraulics does the CaseIH Farmall 40 have?
The CaseIH Farmall 40 uses an Open Center hydraulic system.
What maintenance does the CaseIH Farmall 40 require?
Like any tractor, the CaseIH Farmall 40 needs periodic engine oil and filter changes, hydraulic fluid checks, and regular greasing and inspection. The owner's manual lists the manufacturer's recommended service intervals.



