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CaseIHModel A
CaseIH Farmall 31
Sub-Compact
- power
- 31 hp
- displacement
- 91.3 ci
- Cylinders
- 3
- Forward gears
- 9
Head to head · Sub-Compact
CaseIH Farmall 31 vs CaseIH Farmall 40
CaseIHModel B
CaseIH Farmall 40
Sub-Compact
- power
- 40 hp
- displacement
- 122 ci
- Cylinders
- 4
- Forward gears
- 12
CaseIHCaseIH Farmall 31
vs
CaseIHCaseIH Farmall 40
How they compare
Headline specs vs. the whole Sub-Compact
Engine Power
▲ Farmall 40 higher · +9 hp (+29%)Farmall 3131 hp
Farmall 4040 hp
Median Sub-Compact Tractor26.9 hp
Farmall 31 is in the 59th percentile; Farmall 40 is in the 76th · 816 models
Engine Displacement
▲ Farmall 40 higher · +30.7 ci (+34%)Farmall 3191.3 ci
Farmall 40122 ci
Median Sub-Compact Tractor91.4 ci
Farmall 31 is in the 49th percentile; Farmall 40 is in the 68th · 757 models
Cylinders
▲ Farmall 40 higher · +1 (+33%)Farmall 313
Farmall 404
Median Sub-Compact Tractor3
Farmall 31 is in the 50th percentile; Farmall 40 is in the 90th · 802 models
Forward Gears
▲ Farmall 40 higher · +3 (+33%)Farmall 319
Farmall 4012
Median Sub-Compact Tractor9
Farmall 31 is in the 50th percentile; Farmall 40 is in the 73rd · 616 models
Farmall 31 (A)Farmall 40 (B)Median Sub-Compact Tractor
Full comparison
Every spec, side by side
General Information
| Spec | CaseIH Farmall 31 | CaseIH Farmall 40 | Difference |
|---|---|---|---|
| Manufacturer | CaseIH | CaseIH | Same |
| Model | Farmall 31 | Farmall 40 | — |
| Category | Sub-Compact | Sub-Compact | Same |
Engine
| Spec | CaseIH Farmall 31 | CaseIH Farmall 40 | Difference |
|---|---|---|---|
| Manufacturer | Shibaura | Shibaura | Same |
| Model | N843 | N844 | — |
| Power Output | 31hp | 40hp | ▲ Farmall 40+9 hp · +29% |
| Rated RPM | 2,600RPM | 2,600RPM | Same |
| Cylinders | 3 | 4 | ▲ Farmall 40+1 · +33% |
| Displacement | 91.3ci | 122ci | ▲ Farmall 40+30.7 ci · +34% |
Transmission
| Spec | CaseIH Farmall 31 | CaseIH Farmall 40 | Difference |
|---|---|---|---|
| Type | Unsynchronized Gear | Synchro Shuttle | — |
Dimensions & Weight
| Spec | CaseIH Farmall 31 | CaseIH Farmall 40 | Difference |
|---|---|---|---|
| Length | 112in | 125in | ▲ Farmall 40+13 in · +12% |
| Width | 54.3in | 66.6in | ▲ Farmall 40+12.3 in · +23% |
| Height | 87.8in | 90.8in | ▲ Farmall 40+3 in · +3% |
| Operating Weight | 2,511lb | 3,252lb | ▲ Farmall 40+741 lb · +30% |
Hydraulics
| Spec | CaseIH Farmall 31 | CaseIH Farmall 40 | Difference |
|---|---|---|---|
| System Type | Open Center | Open Center | Same |
| Steering Type | Hydrostatic Power | Power | — |
Power Take-off (PTO)
| Spec | CaseIH Farmall 31 | CaseIH Farmall 40 | Difference |
|---|---|---|---|
| Type | Not recorded | Rear PTO- 540, Mid PTO- 2000 | — |
Hitch & Towing
| Spec | CaseIH Farmall 31 | CaseIH Farmall 40 | Difference |
|---|---|---|---|
| Hitch Type | Type I | Rear Type I | — |
| Hitch Position | Rear | Rear | Same |
Chassis & Drive
| Spec | CaseIH Farmall 31 | CaseIH Farmall 40 | Difference |
|---|---|---|---|
| Steering Type | Hydrostatic Power | Power | — |
Electrical
| Spec | CaseIH Farmall 31 | CaseIH Farmall 40 | Difference |
|---|---|---|---|
| Battery Voltage | 12V | Not recorded | — |
| Starter Type | Electric | 12 Volt | — |
| Pre-heating System | Not recorded | Glow Plug | — |
Operator Station
| Spec | CaseIH Farmall 31 | CaseIH Farmall 40 | Difference |
|---|---|---|---|
| Type | ROPS (Roll Over Protective Structure) | Open | — |
Category context
Both models against the field
Engine Power
median 26.9 hpA · 59th percentile (31 hp)B · 76th percentile (40 hp)
Engine Displacement
median 91.4 ciA · 49th percentile (91.3 ci)B · 68th percentile (122 ci)
Cylinders
median 3A · 50th percentile (3)B · 90th percentile (4)
Forward Gears
median 9A · 50th percentile (9)B · 73rd percentile (12)
Operating Weight
median 2,700 lbA · 46th percentile (2,511 lb)B · 61st percentile (3,252 lb)
A · Farmall 31B · Farmall 40Median Sub-Compact Tractor