Bachmann 31-145NRMP

Tooling

In 2012, Bachmann Branchline introduced an all-new OO gauge tooling for the LNER Class D11 ‘Improved Director’ 4-4-0 locomotives. These models represented both the original Great Central Railway (GCR) D11/1 and the later North British Railway (NBR) D11/2 variants, which were adapted for the Scottish loading gauge. The prototype locomotives, designed by John G. Robinson, were among the most successful express passenger engines of their era, operating from 1919 until the early 1960s. Bachmann’s release filled a significant gap for pre-grouping and early LNER enthusiasts, offering a highly detailed and accurate representation of these iconic locomotives.

Tooling Features

• Scale: OO gauge (1:76).
• Construction: Precision-moulded plastic bodyshell with a mixed metal/plastic chassis for strength and weight.
• Detailing: Factory-fitted separate details including handrails, pipework, sanding gear, turned brass safety valves, smokebox door dart, and opening smokebox door. Fully detailed and painted cab interior with glazing.
• Couplings: NEM pockets with tension-lock couplers.
• Tender: Permanently coupled to the locomotive, housing the PCB and space for a speaker.

Mechanical & Electrical

• Motor & Drive: Smooth-running can motor
• Minimum Radius: Compatible with second radius curves (approx. 18 inches).
• Weighting: Metal components within boiler and chassis for improved adhesion.
• Lighting: No factory lighting fitted.
• Power Collection: 2-rail DC.

DCC Capability

• DCC Ready with a 21-pin socket located in the tender.
• Provision for a 28mm round speaker for sound installation.
• Popular upgrade options include Zimo MX644D decoders and IceCube speakers, with space for stay-alive capacitors.

Liveries Produced

The 2012 tooling has been released in a wide range of authentic liveries, including:

• GCR lined green (e.g., Butler Henderson).
• LNER green.
• LNER black (Scottish D11/2 variants).
• BR black with early emblem.
• BR black with late crest.
• Special editions such as BR apple green for collectors.

Reviews & Commentary

Model railway reviewers and enthusiasts have praised the Bachmann D11 for its fine detailing, smooth running, and accurate proportions. Video reviews highlight the model’s elegant appearance and reliable mechanism, with some noting its impressive size for a 4-4-0 design. Social media discussions generally regard the tooling as “one of Bachmann’s best pre-grouping releases,” though occasional comments mention the absence of factory lighting and the permanently coupled tender as minor drawbacks.

Interesting Notes

• The tender design allows for advanced sound installations, making it popular among DCC sound enthusiasts.
• The tooling was part of Bachmann’s strategy to test demand for Scottish prototypes before expanding the range.

Class & Prototype

The GCR Class 11F "Improved Director" was John G. Robinson's finest express passenger design—thirty-five 4-4-0 locomotives built 1919-1924 serving British railways for 42 years. Eleven D11/1 variants operated GCR express services from London Marylebone to Sheffield, whilst twenty-four D11/2 Scottish variants with restricted loading gauge profiles served former NBR routes, all bearing Sir Walter Scott character names. Inside admission piston valves distinguished them from earlier Directors, delivering 5% coal savings. Only No. 506 "Butler-Henderson" survives at Barrow Hill Engine Shed. Bachmann Branchline produces exceptional OO gauge models (rated 4.8/5) with accurate D11/1 and D11/2 tooling across multiple liveries including GCR lined green, LNER apple green/black, and BR lined black (£106-160).

No prototype found.

Operator & Livery