Boston & Maine 12050 Series Reefer Car

Index

Builder's Photo
Classification Card(s) for series
Specifications
ORER data
ORER Notes
Discussion, General Notes
Car Book and/or Car Disposition Data
Paint Schemes
References
Photographs
Renumberings/Conversions/Dispositions
Modeling
Revision History of this page

Builder's Photo

Does one exist?

B&M Classification Card(s)

Does one exist?

Specifications From Classification Cards

?

ORER data and numbers

ORER Size Data
Description 12/1914 5/1923 11/1925 10/1930 11/1930 7/1934
M.C.B. / AAR Mechanical Designation RM … XM XM XM XM
Inside
Dimensions Length 36' 35'-9" 35'-9" 35'-9" 35'-9" 35'-9"
Width 8'-3" 8'-3" 8'-3" 8'-3" 8'-3" 8'-3"
Height 8'-1" 7'-8" 7'-8" 7'-8" 7'-8" 7'-8"
Outside
Dimensions Length 36'-9" 36'-9" 36'-9" 36'-9" 36'-10"
Width At Eaves or top of sides or platform 9'-4" 9'-4" 9'-4" 9'-4" 9'-4"
Extreme Width
Height
from
Rail To Extreme Width 12'-6½" 12'-6½" 12'-6" 12'-7" 12'-7"
To Eaves or top of sides or platform 13'-2" 13'-2" 13'-2" 13'-2" 13'-2"
To Top of Running Board
To Extreme Height 14' 14' 14' 14' 14'
Door - Side
opening Width 4' 4' 4' 4' 4' 4'
Height 6' 6' 6' 6' 6' 6'
Capacity Cu Ft. Level Full 2440 2440 2440 2440 2440 2440
Pounds 60000 60000 60000 60000 60000 60000

ORER Size Data - Refrigerator Cars table
Description 12/1922
M.C.B. Designation RM
Inside
Dimensions Length 36' (1)
Width 8'-3"
Height 8'-1"
Outside
Dimensions Length
Width At Eaves or top of sides or platform
Extreme Width
Height
from
Rail To Extreme Width
To Eaves or top of sides or platform
To Top of Running Board
To Extreme Height
Door - Side
opening Width 4'
Height 6'
Capacity Of Ice Tanks Pounds Total Cap'y for Crushed Ice
Total Cap'y for Chunk Ice
Measure of Capacity Cubic Ft.
Depth (ft-in)
Capacity Cu Ft. Level Full 2440 (2)
Pounds 60000

(1) Between Ice Tanks - Between Linings Clear (Bulkheads collapsed) [no value listed for "Bulkheads in Place"]
(2) "Clear capacity (Bulkheads Collapsed)"
For "Between Ice Boxes - Bulkhead in Place" - no value listed.
ORER History
ORER Date
(Year-Mo.) Car
Numbers # of
Cars Description
In "Freight Equipment" table of Boston & Maine RR listing
1914 - 12 12050 1 Box, Refrigerator
1915 - 01 (same)
1915 - 02 (same)
1915 - 03 (same)
1915 - 04 (same)
1915 - 05 (same)
1915 - 06 (same)
1915 - 07 (same)
1915 - 08 (same)
1915 - 09 (same)
1915 - 10 (same)
1915 - 11 (same)
1915 - 12 (same)
1916 - 01 (same)
1916 - 02 (same)
1916 - 03 (same)
1916 - 04 (same)
1916 - 05 (same)
1916 - 06 (same)
1916 - 07 (same)
1916 - 08 (same)
1916 - 09 (same)
1916 - 10 (same)
1916 - 11 (same)
1916 - 12 (same)
1917 - 01 (same)
1917 - 02 (same)
1917 - 03 (same)
1917 - 04 (same)
1917 - 05 (same)
1917 - 06 (same)
1917 - 07 (same)
1917 - 08 (same)
1917 - 09 (same)
1917 - 10 (same)
1917 - 11 (same)
1917 - 12 (same)
1918 - 01 (same)
1918 - 02 (same)
1918 - 03 (same)
1918 - 04 (same)
1918 - 05 (same)
1918 - 06 (same)
1918 - 07 (same)
1918 - 08 (same)
1918 - 09 (same)
1918 - 10 (same)
1918 - 11 (same)
1918 - 12 (same)
1919 - 01 (same)
1919 - 02 (same)
1919 - 03 (same)
1919 - 04 (same)
1919 - 05 (same)
1919 - 06 (same)
1919 - 07 (same)
1919 - 08 (same)
1919 - 09 (same)
1919 - 10 (same)
1919 - 11 (same)
1919 - 12 (same)
1920 - 01 (same)
1920 - 02 (same)
1920 - 03 (same)
1920 - 04 (same)
1920 - 05 (same)
1920 - 06 (same)
1920 - 07 (same)
1920 - 08 (same)
1920 - 09 (same)
1920 - 10 (same)
1920 - 11 (same)
1920 - 12 (same)
1921 - 01 (same)
1921 - 02 (same)
1921 - 03 (same)
1921 - 04 (same)
1921 - 05 (same)
1921 - 06 (same)
1921 - 07 (same)
1921 - 08 (same)
1921 - 09 (same)
1921 - 10 (same)
1921 - 11 (same)
1921 - 12 (same)
1922 - 01 (same)
1922 - 02 (same)
1922 - 03 (same)
1922 - 04 (same)
1922 - 05 (same)
1922 - 06 (same)
1922 - 07 (same)
1922 - 08 (same)
1922 - 09 (same)
1922 - 10 (same)
1922 - 11 (same)
Moved to "Refrigerator Cars" table
1922 - 12 (same)
1923 - 01 (same)
1923 - 02 (same)
1923 - 03 (same)
1923 - 04 (same)
Moved back to "Freight Equipment" table
1923 - 05 " " Box
1923 - 06 (same)
1923 - 07 (same)
1923 - 08 (same)
1923 - 09 (same)
1923 - 10 (same)
1923 - 11 (same)
1923 - 12 (same)
1924 - 01 (same)
1924 - 02 (same)
1924 - 03 (same)
1924 - 04 (same)
1924 - 05 (same)
1924 - 06 (same)
1924 - 07 (same)
1924 - 08 (same)
1924 - 09 (same)
1924 - 10 (same)
1924 - 11 (same)
1924 - 12 (same)
1925 - 01 (same)
1925 - 02 (same)
1925 - 03 (same)
1925 - 04 (same)
1925 - 05 (same)
1925 - 06 (same)
1925 - 07 (same)
1925 - 08 (same)
1925 - 09 (same)
1925 - 10 (same)
1925 - 11 (same)
1925 - 12 (same)
1926 - 01 (same)
1926 - 02 (same)
1926 - 03 (same)
1926 - 04 (same)
1926 - 05 (same)
1926 - 06 (same)
1926 - 07 (same)
1926 - 08 (same)
1926 - 09 (same)
1926 - 10 (same)
1926 - 11 (same)
1926 - 12 (same)
1927 - 01 (same)
1927 - 02 (same)
1927 - 03 (same)
1927 - 04 (same)
1927 - 05 (same)
1927 - 06 (same)
1927 - 07 (same)
1927 - 08 (same)
1927 - 09 (same)
1927 - 10 (same)
1927 - 11 (same)
1927 - 12 (same)
1928 - 01 (same)
1928 - 02 (same)
1928 - 03 (same)
1928 - 04 (same)
1928 - 05 (same)
1928 - 06 (same)
1928 - 07 (same)
1928 - 08 (same)
1928 - 09 (same)
1928 - 10 (same)
1928 - 11 (same)
1928 - 12 (same)
1929 - 01 (same)
1929 - 02 (same)
1929 - 03 (same)
1929 - 04 (same)
1929 - 05 (same)
1929 - 06 (same)
1929 - 07 (same)
1929 - 08 (same)
1929 - 09 (same)
1929 - 10 (same)
1929 - 11 (same)
1929 - 12 (same)
1930 - 01 (same)
1930 - 02 (same)
1930 - 03 (same)
1930 - 04 (same)
1930 - 05 (same)
1930 - 06 (same)
1930 - 07 (same)
1930 - 08 (same)
1930 - 09 (same)
1930 - 10 (same)
1930 - 11 (same)
1930 - 12 (same)
1931 - 01 (same)
1931 - 02 (same)
1931 - 03 (same)
1931 - 04 (same)
1931 - 05 (same)
1931 - 06 (same)
1931 - 07 (same)
1931 - 08 (same)
1931 - 09 (same)
1931 - 10 (same)
1931 - 11 (same)
1931 - 12 (same)
1932 - 01 (same)
1932 - 02 (same)
1932 - 03 (same)
1932 - 04 (same)
1932 - 05 (same)
1932 - 06 (same)
Switch to Bi-monthly
1932 - 07 (same)
1932 - 09 [No changes noted]
1932 - 11 [No changes noted]
1933 - 01 [No changes noted]
1933 - 03 [No changes noted]
1933 - 05 [No changes noted]
1933 - 07 (same)
1933 - 09 [No changes noted]
1933 - 11 [No changes noted]
1934 - 01 [No changes noted]
1934 - 03 [No changes noted]
1934 - 05 [No changes noted]
1934 - 07 (same)
1934 - 09 [No changes noted]
1934 - 11 [No changes noted]
1935 - 01 "Eliminate" in freight section
Add to "Passenger Equipment" "Milk", series B&M 12003-12098, 57 cars
1935 - 03 [same as 1935-01]
1935 - 05 "Eliminate" in freight section
Add to "Passenger Equipment" "Milk", series B&M 12003-12098, 57 cars
Change to read new numbers 1800-1849, old numbers 12003-12098, 50 cars
1935 - 07 Not listed
[speculation: possibly moved to "Passenger Equipment" table and included
in series 12003-12098 being renumbered into 1800-1849 "Milk" cars?]
See series "Reefer 12068" for more info

ORER Size Data
Description	12/1914	5/1923	11/1925	10/1930	11/1930	7/1934
M.C.B. / AAR Mechanical Designation	RM	…	XM	XM	XM	XM
Inside Dimensions	Length	36'	35'-9"	35'-9"	35'-9"	35'-9"	35'-9"
Width	8'-3"	8'-3"	8'-3"	8'-3"	8'-3"	8'-3"
Height	8'-1"	7'-8"	7'-8"	7'-8"	7'-8"	7'-8"
Outside Dimensions	Length		36'-9"	36'-9"	36'-9"	36'-9"	36'-10"
Width	At Eaves or top of sides or platform		9'-4"	9'-4"	9'-4"	9'-4"	9'-4"
Extreme Width
Height from Rail	To Extreme Width		12'-6½"	12'-6½"	12'-6"	12'-7"	12'-7"
To Eaves or top of sides or platform		13'-2"	13'-2"	13'-2"	13'-2"	13'-2"
To Top of Running Board
To Extreme Height		14'	14'	14'	14'	14'
Door - Side opening	Width	4'	4'	4'	4'	4'	4'
Height	6'	6'	6'	6'	6'	6'
Capacity	Cu Ft. Level Full	2440	2440	2440	2440	2440	2440
Pounds	60000	60000	60000	60000	60000	60000

ORER Size Data - Refrigerator Cars table
Description	12/1922
M.C.B. Designation	RM
Inside Dimensions	Length	36' (1)
Width	8'-3"
Height	8'-1"
Outside Dimensions	Length
Width	At Eaves or top of sides or platform
Extreme Width
Height from Rail	To Extreme Width
To Eaves or top of sides or platform
To Top of Running Board
To Extreme Height
Door - Side opening	Width	4'
Height	6'
Capacity Of Ice Tanks	Pounds	Total Cap'y for Crushed Ice
Total Cap'y for Chunk Ice
Measure of Capacity	Cubic Ft.
Depth (ft-in)
Capacity	Cu Ft. Level Full	2440 (2)
Pounds	60000

ORER History
ORER Date (Year-Mo.)	Car Numbers	# of Cars	Description
In "Freight Equipment" table of Boston & Maine RR listing
1914 - 12	12050	1	Box, Refrigerator
1915 - 01	(same)
1915 - 02	(same)
1915 - 03	(same)
1915 - 04	(same)
1915 - 05	(same)
1915 - 06	(same)
1915 - 07	(same)
1915 - 08	(same)
1915 - 09	(same)
1915 - 10	(same)
1915 - 11	(same)
1915 - 12	(same)
1916 - 01	(same)
1916 - 02	(same)
1916 - 03	(same)
1916 - 04	(same)
1916 - 05	(same)
1916 - 06	(same)
1916 - 07	(same)
1916 - 08	(same)
1916 - 09	(same)
1916 - 10	(same)
1916 - 11	(same)
1916 - 12	(same)
1917 - 01	(same)
1917 - 02	(same)
1917 - 03	(same)
1917 - 04	(same)
1917 - 05	(same)
1917 - 06	(same)
1917 - 07	(same)
1917 - 08	(same)
1917 - 09	(same)
1917 - 10	(same)
1917 - 11	(same)
1917 - 12	(same)
1918 - 01	(same)
1918 - 02	(same)
1918 - 03	(same)
1918 - 04	(same)
1918 - 05	(same)
1918 - 06	(same)
1918 - 07	(same)
1918 - 08	(same)
1918 - 09	(same)
1918 - 10	(same)
1918 - 11	(same)
1918 - 12	(same)
1919 - 01	(same)
1919 - 02	(same)
1919 - 03	(same)
1919 - 04	(same)
1919 - 05	(same)
1919 - 06	(same)
1919 - 07	(same)
1919 - 08	(same)
1919 - 09	(same)
1919 - 10	(same)
1919 - 11	(same)
1919 - 12	(same)
1920 - 01	(same)
1920 - 02	(same)
1920 - 03	(same)
1920 - 04	(same)
1920 - 05	(same)
1920 - 06	(same)
1920 - 07	(same)
1920 - 08	(same)
1920 - 09	(same)
1920 - 10	(same)
1920 - 11	(same)
1920 - 12	(same)
1921 - 01	(same)
1921 - 02	(same)
1921 - 03	(same)
1921 - 04	(same)
1921 - 05	(same)
1921 - 06	(same)
1921 - 07	(same)
1921 - 08	(same)
1921 - 09	(same)
1921 - 10	(same)
1921 - 11	(same)
1921 - 12	(same)
1922 - 01	(same)
1922 - 02	(same)
1922 - 03	(same)
1922 - 04	(same)
1922 - 05	(same)
1922 - 06	(same)
1922 - 07	(same)
1922 - 08	(same)
1922 - 09	(same)
1922 - 10	(same)
1922 - 11	(same)
Moved to "Refrigerator Cars" table
1922 - 12	(same)
1923 - 01	(same)
1923 - 02	(same)
1923 - 03	(same)
1923 - 04	(same)
Moved back to "Freight Equipment" table
1923 - 05	"	"	Box
1923 - 06	(same)
1923 - 07	(same)
1923 - 08	(same)
1923 - 09	(same)
1923 - 10	(same)
1923 - 11	(same)
1923 - 12	(same)
1924 - 01	(same)
1924 - 02	(same)
1924 - 03	(same)
1924 - 04	(same)
1924 - 05	(same)
1924 - 06	(same)
1924 - 07	(same)
1924 - 08	(same)
1924 - 09	(same)
1924 - 10	(same)
1924 - 11	(same)
1924 - 12	(same)
1925 - 01	(same)
1925 - 02	(same)
1925 - 03	(same)
1925 - 04	(same)
1925 - 05	(same)
1925 - 06	(same)
1925 - 07	(same)
1925 - 08	(same)
1925 - 09	(same)
1925 - 10	(same)
1925 - 11	(same)
1925 - 12	(same)
1926 - 01	(same)
1926 - 02	(same)
1926 - 03	(same)
1926 - 04	(same)
1926 - 05	(same)
1926 - 06	(same)
1926 - 07	(same)
1926 - 08	(same)
1926 - 09	(same)
1926 - 10	(same)
1926 - 11	(same)
1926 - 12	(same)
1927 - 01	(same)
1927 - 02	(same)
1927 - 03	(same)
1927 - 04	(same)
1927 - 05	(same)
1927 - 06	(same)
1927 - 07	(same)
1927 - 08	(same)
1927 - 09	(same)
1927 - 10	(same)
1927 - 11	(same)
1927 - 12	(same)
1928 - 01	(same)
1928 - 02	(same)
1928 - 03	(same)
1928 - 04	(same)
1928 - 05	(same)
1928 - 06	(same)
1928 - 07	(same)
1928 - 08	(same)
1928 - 09	(same)
1928 - 10	(same)
1928 - 11	(same)
1928 - 12	(same)
1929 - 01	(same)
1929 - 02	(same)
1929 - 03	(same)
1929 - 04	(same)
1929 - 05	(same)
1929 - 06	(same)
1929 - 07	(same)
1929 - 08	(same)
1929 - 09	(same)
1929 - 10	(same)
1929 - 11	(same)
1929 - 12	(same)
1930 - 01	(same)
1930 - 02	(same)
1930 - 03	(same)
1930 - 04	(same)
1930 - 05	(same)
1930 - 06	(same)
1930 - 07	(same)
1930 - 08	(same)
1930 - 09	(same)
1930 - 10	(same)
1930 - 11	(same)
1930 - 12	(same)
1931 - 01	(same)
1931 - 02	(same)
1931 - 03	(same)
1931 - 04	(same)
1931 - 05	(same)
1931 - 06	(same)
1931 - 07	(same)
1931 - 08	(same)
1931 - 09	(same)
1931 - 10	(same)
1931 - 11	(same)
1931 - 12	(same)
1932 - 01	(same)
1932 - 02	(same)
1932 - 03	(same)
1932 - 04	(same)
1932 - 05	(same)
1932 - 06	(same)
Switch to Bi-monthly
1932 - 07	(same)
1932 - 09	[No changes noted]
1932 - 11	[No changes noted]
1933 - 01	[No changes noted]
1933 - 03	[No changes noted]
1933 - 05	[No changes noted]
1933 - 07	(same)
1933 - 09	[No changes noted]
1933 - 11	[No changes noted]
1934 - 01	[No changes noted]
1934 - 03	[No changes noted]
1934 - 05	[No changes noted]
1934 - 07	(same)
1934 - 09	[No changes noted]
1934 - 11	[No changes noted]
1935 - 01	"Eliminate" in freight section Add to "Passenger Equipment" "Milk", series B&M 12003-12098, 57 cars
1935 - 03	[same as 1935-01]
1935 - 05	"Eliminate" in freight section Add to "Passenger Equipment" "Milk", series B&M 12003-12098, 57 cars Change to read new numbers 1800-1849, old numbers 12003-12098, 50 cars
1935 - 07	Not listed [speculation: possibly moved to "Passenger Equipment" table and included in series 12003-12098 being renumbered into 1800-1849 "Milk" cars?] See series "Reefer 12068" for more info

ORER Notes

Discussion, General Notes

Per Tim Gilbert
Conversion/renumber from 12600-12798 Reefers
1937 - Possibly - converted to passenger milk service and renumbered to #1826-1849

per B&MRRHS Modeler's Notes #39
Converted 12800 series reefers

Car Book and/or Car Disposition Data

Car Disposition Records

Source(s)
ID Box Folder Folder name Link Title Approx.
Start date Approx.
End date
A 1 3 Freight Car List Old 10190 - 12758 Auto + Misc ? 1935?

Data
Car Number Disposition
Source ID Date Built Rebuilt
Date Disposition
Date Disposition
12050 A 1907-12 1923-05 1935-02 Retired

Source(s)
ID	Box	Folder	Folder name	Link Title	Approx. Start date	Approx. End date
A	1	3	Freight Car List Old	10190 - 12758 Auto + Misc	?	1935?

Data
Car Number	Disposition Source ID	Date Built	Rebuilt Date	Disposition Date	Disposition
12050	A	1907-12	1923-05	1935-02	Retired

Paint Schemes

References or other data

Magazine/Book article(s)

Photographs

Renumberings/Conversions/Dispositions

Models

Revision History

File History for THIS page
Date Who Description
21-Mar-2020 KG Akerboom Initial release
04-Apr-2020 KG Akerboom Re-did references/photos section
22-Apr-2020 KG Akerboom Updated per B&MRRHS Modeler's Notes #39
05-May-2020 KG Akerboom Moved ORER notes into separate section
16-May-2020 KG Akerboom Added data from 4 more ORERs (1911,1919,1921,1931)
28-May-2020 KG Akerboom updated 10/1919
21-Jul-2020 KG Akerboom "Photos" table - changed "vertical" text to PNG of "sideways" text; added "Markings" columns
07- thru
16-Aug-2020 KG Akerboom Added ORER data (History only, not dims or notes yet) for 63 more registers, courtesy of James Kinkaid
10-Apr-2021 KG Akerboom Added info from 47 more ORERs 1903 thru 1917
15-Oct-2021 KG Akerboom Added remaining 7/1928 - 10/1947 ORERs
04-Nov-2021 KG Akerboom Added car disposition record data
22-Jan-2022 KG Akerboom Added ICC Valuation data
23-Aug-2022 KG Akerboom Updated per [almost] complete ORER data
04-Jan-2023 KG Akerboom Fixed headers and footers...hopefully

File History for THIS page
Date	Who	Description
21-Mar-2020	KG Akerboom	Initial release
04-Apr-2020	KG Akerboom	Re-did references/photos section
22-Apr-2020	KG Akerboom	Updated per B&MRRHS Modeler's Notes #39
05-May-2020	KG Akerboom	Moved ORER notes into separate section
16-May-2020	KG Akerboom	Added data from 4 more ORERs (1911,1919,1921,1931)
28-May-2020	KG Akerboom	updated 10/1919
21-Jul-2020	KG Akerboom	"Photos" table - changed "vertical" text to PNG of "sideways" text; added "Markings" columns
07- thru 16-Aug-2020	KG Akerboom	Added ORER data (History only, not dims or notes yet) for 63 more registers, courtesy of James Kinkaid
10-Apr-2021	KG Akerboom	Added info from 47 more ORERs 1903 thru 1917
15-Oct-2021	KG Akerboom	Added remaining 7/1928 - 10/1947 ORERs
04-Nov-2021	KG Akerboom	Added car disposition record data
22-Jan-2022	KG Akerboom	Added ICC Valuation data
23-Aug-2022	KG Akerboom	Updated per [almost] complete ORER data
04-Jan-2023	KG Akerboom	Fixed headers and footers...hopefully

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