Why did Harry Shelvoke and James Drewry start S&D?

Shelvoke & Drewry: A Legacy in Municipal Vehicles

30/07/2004

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Shelvoke & Drewry Ltd. (S&D) was a significant British manufacturer that played a pivotal role in the development and production of municipal vehicles, particularly refuse collection trucks. Founded in 1922 by Harry Shelvoke and James Drewry, the company quickly established a reputation for innovation and reliability, becoming a household name in local government services across the United Kingdom and beyond. Their vehicles, most notably the 'Freighter' and later the 'W' Type and 'T' Series, were designed with specific operational needs in mind, offering solutions that improved efficiency and working conditions for municipal crews. While the company ceased operations in 1991, its legacy endures through the preserved examples of its robust and distinctive vehicles, many of which are still cherished by enthusiasts and museums today.

What happened to Shelvoke & Drewry?
Founded in 1922 to produce the SD Freighter Shelvoke & Drewry ceased trading in 1991. It was best known for its innovative waste collection vehicles, which were once the preferred choice of municipal authorities in the UK. It also manufactured fire engines, buses and fork-lift trucks.
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The Genesis: The Shelvoke & Drewry 'Freighter'

The story of Shelvoke & Drewry began with the 'Freighter', a vehicle conceived as a general-purpose lorry but which rapidly found its niche in refuse collection. Introduced in 1922, the 'Freighter' was revolutionary for its time, offering several key advantages over the horse-drawn wagons it often replaced:

  • Simplicity of Control: It featured a unique 'tiller' steering system, with two levers controlling steering and the gearbox, eliminating the need for a clutch pedal. This made operation more intuitive and less physically demanding for drivers.
  • Low Loading Height: The use of small, 20-inch diameter solid rubber-tyred wheels contributed to a lower loading height, making it easier for loaders to deposit refuse.
  • Hydraulic Tipping: Unlike many competitors who relied on manual tipping, the Freighter offered hydraulic tipping, significantly easing the process of unloading collected waste.
  • Automatic Lubrication: All moving parts were equipped with automatic lubrication, reducing the need for frequent manual greasing and improving longevity.
  • Dust Suppression: To combat the dust associated with earlier open lorries, the Freighter incorporated canvas or steel shutters, a precursor to later 'dustless' designs.

The 'Freighter' was produced until 1955, with a 'Mk II' iteration introduced in 1949 featuring pneumatic tyres and improved body designs, including the 'Fore & Aft' tipper which could compact refuse by tipping forward. The 'Freighter' was also the basis for some early 'Tramocar' designs, used as public transport vehicles in seaside resorts.

Evolution and Innovation: The 'W' Type and Beyond

Building on the success of the 'Freighter', Shelvoke & Drewry continued to innovate. The 'W' Type, produced from 1946 to 1961, marked a shift towards more conventional controls, featuring a steering wheel, clutch, and brake pedals, and a traditional gear lever. These vehicles often had timber-framed cabs and were available with a variety of body types. Initially powered by S&D's own petrol engines, customer demand soon led to the widespread adoption of Perkins diesel engines.

The 'T' Series, introduced in 1960, represented another significant step forward. This series featured the company's last in-house designed cab, incorporating a fibreglass front panel and roof on a timber frame. The 'T' Series was designed to take advantage of increased gross vehicle weight regulations and was commonly fitted with S&D's own 'Pakamatic' and 'Revopak' refuse bodies, known for their compaction capabilities. The 'N' Series, launched in 1972, saw the adoption of an external cab design from Motor Panels Ltd., offering a more modern appearance and shared similarities with cabs used by Seddon Atkinson and Scammell. The final major model line was the 'P' Series, produced from 1978 until the company's closure in 1991. This series shared a pressed steel cab design with Dennis, developed in collaboration with Ogle Design, aimed at reducing manufacturing costs.

Key S&D Models and their Significance:

Shelvoke & Drewry's product range was diverse, catering to various municipal and special-purpose needs:

Model SeriesProduction YearsKey FeaturesTypical Bodywork
Freighter1922-1955Tiller steering, low loading height, hydraulic tipping, solid tyres (later pneumatic)Refuse collection, Gully emptiers, Tramocars
'W' Type1946-1961Conventional controls (steering wheel, pedals), timber-framed cab, available with petrol or diesel enginesRefuse collection, Gully emptiers, Tankers, Crash Tenders
'T' Series1960-1970In-house designed cab with fibreglass front, designed for higher GVW, proprietary axles and gearboxesPakamatic, Revopak, Gully emptiers, Tankers, Fore & Aft tippers
'N' Series1972-1978External cab design (Motor Panels), often paired with Revopak bodiesRevopak, Maxipak, Intapak refuse bodies
'P' Series1978-1991Shared cab design with Dennis Delta, Ogle Design collaboration, pressed steel cabRevopak, Maxipak, Routechief, Norba, Laird refuse bodies
SPV (Special Purpose Vehicle)From 1975Fire appliances, airport service vehicles, utilizing P-Series or Carmichael cabsFire Tenders, Pump Escapes, Turntable Ladders, Crash Tenders

Chassis Designations: A System of Identification

Shelvoke & Drewry employed a system of letter prefixes for their chassis numbers, particularly from the 'W' Type onwards, to denote specific features or configurations. Understanding these designations can help in identifying the specific type of vehicle:

PrefixTypeDescriptionGVW
WW typeStandard8,000 GVW
TWW typeSteering WheelN/A
TT typeStandardN/A
TNT typeNarrow track6,720 GVW
TBNT typeNarrow Track - Air Brakes6,720 GVW
TZT typeStandard12,500 GVW
TBZT typeAir Brakes12,500 GVW
TXT typeStandard13,760 GVW
TYT typeStandard16,260 GVW
TBYT typeAir Brakes16,260 GVW
TYRT typePower steering16,260 GVW
NNN typeT type cab11,500 GVW
NNRN typeT type cab-Power steering11,500 GVW
NXN typeStandard14,000 GVW
NYN typeStandard16,000 GVW
NYRN typePower steering16,000 GVW
NTN typeDouble drive22,000 GVW
PNP typeNarrow track11,920 GVW
PNRP typePower steering11,920 GVW
PNLP typeNarrow – Long12,500 GVW
PNL+P typeNarrow- Long13,500 GVW
PXP typeStandard14,230 GVW
PXRP typePower steering14,230 GVW
PYP typeStandard16,000 GVW
PYRP typePower steering16,000 GVW
PTP TypeDouble Drive22,000 GVW

Engines Used by Shelvoke & Drewry

Throughout their production history, Shelvoke & Drewry vehicles were powered by a range of engines, reflecting the evolving automotive technology and customer preferences. Early 'Freighters' likely used engines sourced from various manufacturers, but as the company progressed, they began to utilise both their own proprietary engines and those from established diesel engine specialists.

  • Early S&D Engines: The 'W' Type, introduced in 1947, initially used S&D's own petrol engines. However, customer demand for greater efficiency and durability quickly led to the specification of diesel engines.
  • Perkins Diesel Engines: Perkins engines became a very common and popular choice for S&D vehicles, particularly in the 'W' and 'T' series. Models like the Perkins 3,620 cc side valve engine were fitted to 'W' types, and later Perkins six-cylinder diesel engines powered the 'T' series. The 'W' type fire appliances also featured Perkins 540 V8 and the faster Perkins 640 V8 engines.
  • Other Engines: While Perkins was a dominant supplier, it's plausible that other engine manufacturers were also used, especially for specific applications or during periods of supply fluctuation.

The Decline and Legacy of Shelvoke & Drewry

Despite their innovative designs and strong market presence, Shelvoke & Drewry eventually faced the challenges of a changing industrial landscape. The company ceased production in 1991. The exact reasons for the closure are multifaceted, likely including increased competition, evolving regulatory standards, and the general economic pressures faced by many British manufacturing firms during that era. However, the impact of S&D on municipal vehicle design is undeniable. Their focus on practical, durable, and operator-friendly vehicles set a high standard for the industry.

Today, a dedicated community of enthusiasts works to preserve the remaining Shelvoke & Drewry vehicles. Many examples of the 'Freighter', 'W' Type, 'T' Series, and later models are meticulously restored and maintained, appearing at rallies and transport festivals across the UK. These preserved vehicles serve as a tangible link to the company's engineering prowess and its significant contribution to the essential services that kept our towns and cities clean and operational.

Frequently Asked Questions about Shelvoke & Drewry:

Q1: When was Shelvoke & Drewry founded and by whom?
Shelvoke & Drewry Ltd. was founded in 1922 by Harry Shelvoke and James Drewry.

Q2: What was the most iconic Shelvoke & Drewry vehicle?
The 'Freighter', introduced in 1922, is arguably their most iconic vehicle, revolutionising refuse collection with its innovative design and controls.

Q3: What type of engines did Shelvoke & Drewry vehicles commonly use?
While early models used S&D's own petrol engines, Perkins diesel engines became a very common and popular choice, especially in the 'W' and 'T' series.

Q4: Did Shelvoke & Drewry produce vehicles other than refuse collectors?
Yes, they also produced gully emptiers, tankers, fire appliances, airport service vehicles, and even 'Tramocars' for public transport.

Q5: When did Shelvoke & Drewry cease production?
Shelvoke & Drewry ceased production in 1991.

Q6: What does the 'Tiller' steering refer to?
The 'Tiller' steering was a system used on early S&D 'Freighters', employing two levers (tillers) for steering and gearbox control, eliminating the need for a clutch pedal.

Q7: Are there any Shelvoke & Drewry vehicles still in existence?
Yes, a number of S&D vehicles have been preserved and are maintained by enthusiasts and museums, often appearing at rallies and events.

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