Home»IH McCormick Farmall M and Farmall MV Tractor Specifications
IH McCormick Farmall M and Farmall MV Tractor Specifications
IH McCormick Farmall M & Farmall MV Tractor Specifications
About these models:
The IH McCormick Farmall M and Farmall MV are classic row-crop tractors known for simple mechanical design and dependable field performance. Below are key factory specifications for both models, including capacities, engine data, clutch and electrical details, PTO and belt pulley speeds, transmission speeds, wheels/tread measurements, general dimensions, and turning radius.
Capacities
System
Farmall M
Farmall MV
Cooling system
6 gal
6 gal
Fuel tank
21 gal
21 gal
Gasoline starting tank (with distillate or kerosene engine)
7/8 gal
7/8 gal
Crankcase pan
2 gal
2 gal
Transmission and differential case
13 gal
13 gal
Steering gear housing
1 pt
1 pt
Air cleaner oil cup
2 1/4 pt
2 1/4 pt
Rear axle drive housing (each)
—
3 qt
Engine Specifications
Feature
Farmall M
Farmall MV
Cylinders
4
4
Bore
3 7/8 in.
3 7/8 in.
Stroke
5 1/4 in.
5 1/4 in.
Engine speeds (minimum speed, governed)
400 to 450 r.p.m.
400 to 450 r.p.m.
Maximum idle speed (no load)
Approx. 1,595 r.p.m.
Approx. 1,595 r.p.m.
Maximum (full load)
1,450 r.p.m.
1,450 r.p.m.
Battery ignition unit (clockwise rotation, 40° advance)
IH
IH
Magneto (when so equipped) (fixed spark, clockwise rotation)
IH Type H-4
IH Type H-4
Spark plug gap
.023 in.
.023 in.
Valve clearance (engine hot)
.017 in.
.017 in.
Carburetor (with Donaldson air cleaner)
IH — 1 1/4 in. updraft
IH — 1 1/4 in. updraft
Clutch
Feature
Farmall M
Farmall MV
Type
Single plate, dry disc, spring loaded
Size
11 in.
11 in.
Electrical
Item
Farmall M
Farmall MV
Fuse (cartridge type) (No. 106653)
SFE-20
SFE-20
Headlight lamp (No. 142309 — Trade No. 1133)
6–8 volt, 32 candlepower
6–8 volt, 32 candlepower
Belt Pulley
Feature
Farmall M
Farmall MV
Pulley speed — Low idle (no load)
263 r.p.m.
263 r.p.m.
Pulley speed — Fast idle (no load)
988 r.p.m.
988 r.p.m.
Pulley speed — Maximum (full load)
899 r.p.m.
899 r.p.m.
Belt speed (with 11-in. pulley) (at full load engine speed)
2,588 ft. per min.
2,588 ft. per min.
Pulley diameter
11 in.
11 in.
Pulley face
7 1/2 in.
7 1/2 in.
Power Take-Off
Feature
Farmall M
Farmall MV
PTO shaft speed — Maximum (full load)
537 r.p.m.
537 r.p.m.
PTO shaft speed — Low idle (no load)
157 r.p.m.
157 r.p.m.
PTO shaft speed — Fast idle (no load)
591 r.p.m.
591 r.p.m.
Foot Brakes
Feature
Farmall M
Farmall MV
Type
External contracting band type, operated either individually or interlocked.
Transmission
Feature
Farmall M
Farmall MV
Transmission
Five speed
Speeds based on pneumatic tire sizes
11-38
10-36
Speed (mph)
Farmall M
Farmall MV
1st
2 5/8
2 1/2
2nd
3 1/2
3 3/8
3rd
4 1/4
4
4th
5 1/8
5
5th*
16 1/4
16
Reverse
3 1/8
3 1/8
*5th speed locked out when using steel wheels.
Wheels & Tread
Feature
Farmall M
Farmall MV
Front wheels (pneumatic tire size)†
6.00–16
6.00–20
Rear wheels (pneumatic tire size)†
11–38
13–36
Tread, front (nonadjustable axle)
83 3/8 in.
—
Tread, front (adjustable axle)
—
60, 63, 66 in.
Tread, rear
52 to 88 in.
69 in.
Wheelbase
89 3/8 in.
91 1/2 in.
†Other pneumatic tire sizes are available; also steel wheels.
General Dimensions
Feature
Farmall M
Farmall MV
Length overall
133 1/2 in.
146 1/2 in.
Width overall — Minimum (to outside edge of rear axle)
84 1/2 in.
85 7/8 in.
Width overall — Maximum (to outside edge of rear tires)
