| SD9 Sales Brochure
| Spotting Features
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Click any one image to view entire four-page brochure
| Phase 1 (January 1954 thru April 1955)
- Four 36" radiator fans with roof pipes
- Battery boxes behind cab on both sides
- Old-style hand-rail stanchions (see photo at bottom left)
- Dan Poitras photo at St. Paul Minnesota on 27 January 1980 (Ralph Back collection)
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Click any one image to view entire four-page brochure
| Phase 2 (March 1955 thru January 1958)
- Four 36" radiator fans
- Battery boxes behind cab on both sides
- New-style hand-rail stanchions (see photo at bottom left)
- Jim Zwerneman photo at Pueblo Colorado on 7 June 197 (**)
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Click any one image to view entire four-page brochure
| Phase 3 (February thru May 1958)
- Two 48" radiator fans
- Battery boxes behind cab on both sides
- Standard hand-rail stanchions (introduced with Phase 2)
- R. Craig photo at Napa California on 16 April 1996
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Click any one image to view entire four-page brochure
| Phase 4 (April thru June 1959)
- Two 48" radiator fans
- Taller battery box
- GP9 style high short hood and cab which produced a noticeable drop from the cab roof to the long hood
- No Battery boxes behind cab
- Standard hand-rail stanchions
- Ralph Back photo at Teague Texas on 22 January 1972
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 Phase 1 Handrail stanchion employed two-piece bolted bracket
 Phase 2 Hand-rail stanchion incorporated a bent-metal clasp
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(**) Photo from R. Craig collection
Original upload: 1 December 2022
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