BRITISH N GAUGE RESOURCE

BACHMANN > Diesel Locomotives > CLASS 31

Two hundred and sixty-three Type 3 A1A-A1A Diesel Electric Class 31 were built between 1957-62.

• Class 31/1 - The 31/1 variants made up the majority of the class
• Class 31/4 - A batch of 31/1s were converted to Electric Train Heating to run passenger services requiring ETH
• Class 31/6 - A small group were converted with through ETH wiring for Fragonset

Class 31/1 > Ex-Farish Model

The early Bachmann version were based on the older Farish bodies and chassis.

DC Versions
Ref No	Year	Livery	Running No/Name
370-202
	2007	Civil Engineering	31135
			Only available in set
371-102
	2006	BR Railfreight Grey	31285
		Red Stripe
371-104
	2010	BR Green	D5672
		Plain Ends Bodyside Stripes

Class 31/1 > 2015 Upgrade

The upgraded Class 31s corrected some of the earlier errors in the body and chassis added lights and a 6-Pin DCC Decoder socket.

DC Versions
Ref No	Year	Livery	Running No/Name
371-110
	2015	BR Green	5826
		Full Yellow Ends Bodyside Stripes
371-111
	2015	BR Green	D5596
		Small Yellow Panels Bodyside Stripes
371-112
	2015	BR Blue	31173
		Full Yellow Ends

Class 31/1 > 2020 Upgrade

The 2020 upgrade added a 18-Pin DCC Decoder socket and a sound speaker.

DC Versions
Ref No	Year	Livery	Running No/Name
371-111A
	2020	BR Green	D5616
		Small Yellow Panels Bodyside Stripes
371-111Z
	2022	Golden Ochre	D5579
		Plain Ends Bodyside Stripe Grey Roof	Kernow Limited Edition
371-112A
	2020	BR Blue	31131
		Full Yellow Ends
371-112B
	2022	BR Blue	31309 Cricklewood
		Full Yellow Ends White Bodyside Stripe Black Roof
371-113
	2020	RTC	97204
		Red Cream

DCC/Sound Versions
Ref No	Year	Livery	Running No/Name
371-111ASF
	2020	BR Green	D5616
		Small Yellow Panels Bodyside Stripes
371-111ZSF
	2022	Golden Ochre	D5579
		Plain Ends Bodyside Stripe Grey Roof	Kernow Limited Edition
371-112ASF
	2020	BR Blue	31131
		Full Yellow Ends
371-112BSF
	2022	BR Blue	31309 Cricklewood
		Full Yellow Ends White Bodyside Stripe Black Roof
371-113SF
	2020	RTC	97204
		Red Cream

Class 31/1 > Refurbished > 2020 Upgrade

The 2020 upgrade added lights, a 18-Pin DCC Decoder socket and a sound speaker.

DC Versions
Ref No	Year	Livery	Running No/Name
371-135
	2020	BR Railfreight Grey	31154
			Refurbished
371-136
	2020	BR Petroleum Sector	31319
			Refurbished
371-136RJ
	2023	BR Coal Sector	31130 Calderhill Power Station
			Refurbished

DCC/Sound Versions
Ref No	Year	Livery	Running No/Name
371-135SF
	2020	BR Railfreight Grey	31154
			Refurbished
371-136RJSF
	2023	BR Coal Sector	31130 Calderhill Power Station
			Refurbished Regional Exclusive Model
371-136SF
	2020	BR Petroleum Sector	31319
			Refurbished

Class 31/4 > Ex-Farish Model

DC Versions
Ref No	Year	Livery	Running No/Name
371-101
	2004	Regional Railways	31410
371-103
	2007	BR Blue	31430 Sister Dora
		Full Yellow Ends Grey Roof

Class 31/4 > Refurbished > 2020 Upgrade

The 2020 upgrade added lights, a 18-Pin DCC Decoder socket and a sound speaker.

DC Versions
Ref No	Year	Livery	Running No/Name
371-135DB
	2022	BR Executive	31423 Jerome K. Jerome
			Refurbished Regional Exclusive Model
371-137SD
	2023	EWS	31466
			Refurbished
371-137TL
	2023	Mainline (Blue)	31407
			Refurbished

DCC/Sound Versions
Ref No	Year	Livery	Running No/Name
371-135DBSF
	2022	BR Executive	31423 Jerome K. Jerome
			Refurbished Regional Exclusive Model
371-137SDSF
	2023	EWS	31466
			Refurbished Regional Exclusive Model
371-137TLSF
	2023	Mainline (Blue)	31407
			Refurbished Regional Exclusive Model

Class 31/6 > Ex-Farish Model

DC Versions
Ref No	Year	Livery	Running No/Name
371-100
	2004	Fragonset Black	31601 Bletchley Park Station X
371-105
	2011	Network Rail	31602 Driver Dave Green

Class 31/6 > Refurbished > 2020 Upgrade

The 2020 upgrade added lights, a 18-Pin DCC Decoder socket and a sound speaker.

DC Versions
Ref No	Year	Livery	Running No/Name
371-137
	2020	Network Rail	31602
			Refurbished

DCC/Sound Versions
Ref No	Year	Livery	Running No/Name
371-137SF
	2020	Network Rail	31602
			Refurbished