(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 DataDon 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 |
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