Rivet Counters and Nit Pickers Treasure Trove

H0 Scale Train Dimensions

(Multiple scale data may be accessed at Rick Blanchard's site)

Information gleaned from the Diesel Modellers' Mail List and the Freight Car Mail List and email contributors

Diesel Locomotive Data

Don Strack's prototype SD40 measurements are to be found here

Handrails and Stanchions

Non builder specific:

Description

Prototype inches

H0 scale inches

H0 scale millimeters

Acknowledgement

Grabirons

.75

.009

.22

Ed Ryan
Coupler Release lever

1.0

.011

.29

Ed Ryan
Coupler Release lever clearance

2.0

.023

.58

Rick Blanchard
Switcher pilot grabs

1.0

.011

.29

Rick Blanchard
Switcher pilot grabs clearance

4.0

.046

1.17

Rick Blanchard

EMD:

Description

Prototype inches

H0 scale inches

H0 scale millimeters

Acknowledgement

Longitudinal handrails EMD

1.25

.014

.36

Ed Ryan
Pressed Stanchion EMD SD60M - width

2.625

.030

.765

Warren Johnson
Pressed Stanchion EMD SD40T-2 - width

2.5

.029

.73

Warren Johnson
Pressed Stanchion EMD SD60M, SD40T-2 - depth

1.375

.016

.40

Warren Johnson
Pressed Stanchion EMD SD60M, SD40T-2 - length (short type)

42.5

.488

12.39

Warren Johnson
Pressed Stanchion EMD SD60M, SD40T-2 - length (long type)

52.0

.597

15.16

Warren Johnson
EMD handrail height from walkway to top of handrail

38.0

.436

11.08

Warren Johnson
Vertical handholds EMD cabs E, F, BL2

1.375

.016

.40

Ed Ryan
Vertical nose handholds EMD cabs

1.0

.011

.29

Ed Ryan

GE:

Description

Prototype inches

H0 scale inches

H0 scale millimeters

Acknowledgement

Longitudinal handrails GE circa 1960s/70s

1.5

.017

.44

Don Strack
Vertical section of GE handrails up to first stanchion where joined to (slid in to) longitudinal, circa 1960s/70s

1.25

.014

.36

Don Strack
Longitudinal handrails GE (eg) AC 4400

1.625

.0186

.47

Warren Johnson
GE Stanchion (C 40-8) - width

2.625

.030

.765

Warren Johnson
GE Stanchion (AC 4400) - width

2.50

.029

.73

Warren Johnson
GE Stanchion (AC 4400, C 40-8) - depth

1.25

.014

.365

Warren Johnson
GE Stanchion (AC 4400, C 40-8) - length

48.5

.557

14.14

Warren Johnson
GE handrail height from walkway to top of handrail

38.0

.436

11.08

Warren Johnson

ALCO:

Description

Prototype inches

H0 scale inches

H0 scale millimeters

Acknowledgement

Bar stanchions Alco (may be approximate)

2.5 x .75

.029 x .009

.73 x .22

Don Strack

Pipes and Hoses:

Description

Prototype inches

H0 scale inches

H0 scale millimeters

Acknowledgement

Brake line

1.875

.022

.55

Ed Ryan
Brake line hose

2.125 to 2.25

.024 to .026

.62 to .66

Ed Ryan
MU Hoses

1.0 to 1.375

.011 to .016

.29 to .40

Ed Ryan
Signal line

1.375

.016

.40

Ed Ryan
Signal line hose

2.0

.023

.58

Ed Ryan
Sand pipe

1.0 to 1.375

.011 to .016

.29 to .40

Ed Ryan
Sand hose

1.875

.022

.55

Ed Ryan
Speed Recorder cable

1.0 to 1.5

.011 to .017

.29 to .44

Ed Ryan
Brake cylinder pipe (on trucks)

.875

.010

.26

Ed Ryan
Air reservoir line

1.375

.016

.40

Ed Ryan
Horn air supply

.625

.007

.18

Ed Ryan

 

Rivet Counter's sundries (all truly good stuff):

EMD:

Description

Prototype inches

H0 scale inches

H0 scale millimeters

Acknowledgement

Hood door thickness EMD - yep, with paint (SD60)

.129

.0015

.04

Warren Johnson
SD40 radiator fan height (including guard 4.75")

10

.115

2.92

Warren Johnson
SD40 radiator fan and db fan guard height

4.75

.055

1.39

Warren Johnson
SD40 Dynamic brake fan height (including guard 4.75")

8.25

.095

2.41

Warren Johnson
SD40 Dynamic brake vent height

6.25

.072

1.82

Warren Johnson
SD40 Dynamic brake vent length

13

.149

.3.79

Warren Johnson
SD40 Dynamic brake vent width

23

.264

6.71

Warren Johnson
'Q' fan - height at rim

7.75

.089

2.26

Warren Johnson
'Q' fan - height at centre

10.5

.121

3.06

Warren Johnson
SD40 radiator cooling fan hatch thickness (including 1/16" gasket)

0.25

.003

.07

Warren Johnson
GP9 numberboard access hatches (measured from SP #5623) 11.25 x 27.5 .13 x .316 3.28 x 8.00 Howard P Wise

GE:

Description

Prototype inches

H0 scale inches

H0 scale millimeters

Acknowledgement

Hood door thickness GE - includes paint! :-) (Dash 8 40 C)

.132

.0015

.04

Warren Johnson

 

Freight Car Data

Description

Prototype inches

H0 scale inches

H0 scale millimeters

Acknowledgement

Drop type grabs - minimum

.625

.007

.18

Eric Neubauer
Drop type grabs - more typical

.75

.009

.22

Eric Neubauer
Ladder rungs - minimum .625 .007 .18 Allen Cain
Roof Corner Hand Holds - minimum .625 .007 .18 Allen Cain
Side grab irons - minimum .625 .007 .18 Allen Cain
End grab irons - minimum .625 .007 .18 Allen Cain
Tank Car Safety Rail - pipe 1.25 .014 .36 Allen Cain
Tank Car safety rail - bar stock .75 .009 .22 Allen Cain

 

Steam Loco Data - watch this space!

 

Just waiting for your data!

If you have data to contribute please email me

 

Page last updated 27 January 2000