Minneapolis-Moline
Compression & Altitude
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|
MINNEAPOLIS-MOLINE
COMPRESSION RATIO
VERSUS ALTITUDE
Compiled By:
J. Fiorelli & B. Green
|
Engine
Model
|
Fuel
Type
|
Altitude
Level
|
Cylinder
Head
|
Height
Of Head
|
Depth Of
Comp. Chamber
|
Volume In Head
(Cubic Inch)
|
Total Comp.
Chamber Volume
|
EE, 165-4
|
Tractor
Fuel
|
Below
4000'
|
RE226C
|
|
|
|
10.3
|
EE, 165-4
|
Tractor
Fuel
|
Below
8000'
|
10A2643
|
|
|
|
9.2
|
EE, 165-4
|
Tractor
Fuel
|
Above
8000'
|
10A2647
|
|
|
|
7.9
|
EE, 165-4
|
Regular
Gas
|
All
(No RTI)
|
10A2647
|
|
|
|
7.9
|
EE, RTI
|
Regular
Gas
|
Below
4000'
|
10A2648
|
|
|
|
9.2
|
EE, RTI
|
Regular
Gas
|
Above
4000'
|
10A2647
|
|
|
|
7.9
|
EE, 165-4
|
Natural
LP Gas
|
All
|
10A2647
|
|
|
|
7.9
|
|
|
V206-4
|
Regular
Gas
|
Below
4000'
|
10A1987
|
|
|
|
10.2
|
V206-4
|
Regular
Gas
|
Above
4000'
|
10A3532
|
|
|
|
9.1
|
|
|
Engine
Model
|
Fuel
Type
|
Altitude
Level
|
Cylinder
Head
|
Height
Of Head
|
Depth Of
Comp. Chamber
|
Volume In Head
(Cubic Inch)
|
Total Comp.
Chamber Volume
|
206B-4
|
Tractor
Fuel
|
Below
4000'
|
RE226E
|
|
|
|
13.9
|
206B-4
|
Tractor
Fuel
|
4000'
To 8000'
|
RE226D
|
|
|
|
11.7
|
206B-4
|
Tractor
Fuel
|
Above
8000'
|
RE226C
|
|
|
|
10.2
|
206B-4
|
Regular
Gas
|
Below
4000'
|
RE226C
|
|
|
|
10.2
|
206B-4
|
Regular
Gas
|
4000'
To 8000'
|
10A2648
|
|
|
|
9.1
|
206B-4
|
Regular
Gas
|
Above
8000'
|
10A2647
|
|
|
|
7.7
|
206B-4
|
Natural
LP Gas
|
All
|
10A2647
|
|
|
|
7.7
|
|
|
Engine
Model
|
Fuel
Type
|
Altitude
Level
|
Cylinder
Head
|
Height
Of Head
|
Depth Of
Comp. Chamber
|
Volume In Head
(Cubic Inch)
|
Total Comp.
Chamber Volume
|
283-4, 425-6
|
Tractor
Fuel
|
Below
4000'
|
10A4204**
GE30K
|
5
|
1-3/4
|
18.9
|
20.8
|
283-4, 425-6
|
Tractor
Fuel
|
4000'
To 8000'
|
10A4205**
GE30N
|
5
|
1-3/4
|
15.7
|
17.6
|
283-4, 425-6
|
Tractor
Fuel
|
Above
8000'
|
10A4209**
GE30E
|
5
|
1-3/4
|
14.2
|
16.1
|
283-4, 425-6
|
Regular
Gas
|
Below
4000'
|
10A4210**
GE30Z
|
4-17/32
|
1-9/32
|
11.3
|
13.2
|
283-4, 425-6
|
Regular
Gas
|
Above
4000'
|
10A4210**
GE30J
|
4-17/32
|
1-9/32
|
10.3
|
12.2
|
283-4, 425-6
|
Regular
Gas
|
Above
8000'
|
10A4213**
GE30P
|
4-17/32
|
1-1/8
|
8.3
|
10.2
|
283-4, 425-6
|
Natural
LP Gas
|
Below
4000'
|
10A4206**
GE30P
|
4-17/32
|
1-1/8
|
8.3
|
10.2
|
283-4, 425-6
|
Natural
LP Gas.
|
Above
4000'
|
10A4206**
GE30T
|
4-17/32
|
1
|
7.3
|
9.2
|
|
|
340-4
|
Natural
LP Gas
|
All
|
GE30T
|
4-17/32
|
1
|
7.3
|
10.8
|
|
|
Engine
Model
|
Fuel
Type
|
Altitude
Level
|
Cylinder
Head
|
Height
Of Head
|
Depth Of
Comp. Chamber
|
Volume In Head
(Cubic Inch)
|
Total Comp.
Chamber Volume
|
403-4, 605-6
|
Tractor
Fuel
|
Below
4000'
|
10A4202**
GE30
|
5-3/4
|
2-1/8
|
28.6
|
31.0
|
403-4, 605-6
|
Tractor
Fuel
|
Above
4000'
|
10A4208**
GE30U
|
5-3/4
|
2-1/8
|
24.0
|
26.4
|
403-4, 605-6
|
Tractor
Fuel
|
Above
8000'
|
10A4204**
GE30K
|
5
|
1-3/4
|
18.9
|
21.3
|
403-4, 605-6
|
Regular
Gas
|
Below
4000'
|
10A4203**
GE30A
|
5-3/4
|
2-1/8
|
20.6
|
23.0
|
403-4, 605-6
|
Regular
Gas
|
Above
4000'
|
10A4205**
GE30N
|
5
|
1-3/4
|
15.7
|
18.1
|
403-4, 605-6
|
Regular
Gas
|
Above
8000'
|
10A4209**
GE30E
|
5
|
1-3/4
|
14.2
|
16.6
|
*403-4, 605-6
|
Natural
LP Gas
|
Below
4000'
|
10A4209**
GE30F
|
5
|
1-3/4
|
14.2
|
16.6
|
*403-4, 605-6
|
Natural
LP Gas
|
Above
4000'
|
10A4210**
GE30M
|
4-17/32
|
1-9/32
|
11.9
|
14.3
|
*403-4, 605-6
|
Natural
LP Gas
|
Above
8000'
|
10A4213**
GE30J
|
4-17/32
|
1-9/32
|
1o.3
|
12.7
|
|
|
Engine
Model
|
Fuel
Type
|
Altitude
Level
|
Cylinder
Head
|
Height
Of Head
|
Depth Of
Comp. Chamber
|
Volume In Head
(Cubic Inch)
|
Total Comp.
Chamber Volume
|
1210-12
|
Regular
Gas
|
Below
4000'
|
10A4204**
GE30K
|
5
|
1-3/4
|
18.9
|
21.3
|
1210-12
|
Regular
Gas
|
Below
8000'
|
10A4205**
GE30N
|
5
|
1-3/4
|
15.7
|
18.1
|
1210-12
|
Regular
Gas
|
Above
8000'
|
10A4209**
GE30E
|
5
|
1-3/4
|
14.2
|
16.6
|
1210-12
|
Natural
LP Gas
|
Below
4000'
|
10A4210**
GE30M
|
4-17/32
|
1-9/32
|
11.9
|
14.3
|
1210-12
|
Natural
LP Gas
|
Above
4000'
|
10A4213**
GE30J
|
4-17/32
|
1-9/32
|
10.3
|
12.7
|
|
|
|
LEGEND
Cylinder Head Casting Number - 10A2643, etc.
Cylinder Head Casting Letters - GE 30, etc.
* Power Units Only.
** These numbers are from a Conversion Chart courtesy
of Charlie Doty and updated by B. Green.
This chart was originally on J. Fiorelli's website after
he received this information in a service letter
dated 1953. The above chart was updated by
B. Green and it came from his website.
|
|
Conversion Chart For
GE Cylinder Head Numbers
|
Part
Number
|
Casting
Number
|
Replaced By
Part Number
|
Replaced By
Casting Number
|
| GE 5030 |
GE 30 |
11C4202 |
10A4202 |
| GE 5030 A |
GE 30 A |
11C4203 |
10A4203 |
| GE 5030 B |
GE 30 B |
11C4203 |
10A4203 |
| GE 5030 C |
GE 30 C |
11C4203 |
10A4203 |
| GE 5030 D |
GE 30 D |
11C4204 |
10A4204 |
| GE 5030 E |
GE 30 E |
11C4209 |
10A4209 |
| GE 5030 F |
GE 30 F |
11C4209 |
10A4209 |
| GE 5030 H |
GE 30 H |
11C4209 |
10A4209 |
| GE 5030 J |
GE 30 J |
11C4213 |
10A4213 |
| GE 5030 K |
GE 30 K |
11C4204 |
10A4204 |
| GE 5030 M |
GE 30 M |
11C4210 |
10A4210 |
| GE 5030 N |
GE 30 N |
11C4205 |
10A4205 |
| GE 5030 P |
GE 30 P |
11C4206 |
10A4206 |
| GE 5030 S |
GE 30 S |
11C4203 |
10A4203 |
| GE 5030 U |
GE 30 U |
11C4208 |
10A4208 |
| GE 5030 W |
GE 30 W |
11C4209 |
10A4209 |
| GE 5030 Z |
GE 30 Z |
11C4210 |
10A4210 |
Part
Number
|
Casting
Number
|
Replaced By
Part Number
|
Replaced By
Casting Number
|
Note:
Minneapolis-Moline info is limited, if anyone
has more accurate info that can be added
above, please send me a email at
gtstoday@gmail.com
Thank's, George
Our Research Source
Bret Green's M-M U Series, Old Tractor Pull'n WebPage (1998)
Tony Turner's Unofficial M-Moline, Old Informative Website (2004)
Jeremy Fiorelli's Twin City & M-M., Old Tractor Pull'n WebPage (2001)
TTG The Tractor Guys, Research Division, Western, Connecticut, USA
|
TTG Home Page Here
