Description

This original Castrol tin sign, reading “Let Us Drain and Refill Your Sump with Castrol Motor Oil,” is a superb example of mid-20th-century British garage advertising. With its bold green and white colour scheme and distinctive red Castrol script, this piece would have been displayed in service stations and garages to promote oil changes using Castrol’s premium motor lubricants.

Product Details

• Brand: Castrol (Wakefield Motor Oil)

• Era: 1950s–1960s

• Material: Tin (painted and stencilled)

• Colours: Green, white, and red

• Maker: Produced for C.C. Wakefield & Co. Ltd.

• Function: Garage wall advertising sign

• Condition: Excellent with light patina and minor wear consistent with age

Historical Background

Castrol’s story began in 1899, when Charles Cheers Wakefield founded C.C. Wakefield & Co. in London. Originally specialising in lubricants for trains and machinery, the company soon shifted its focus to the growing motor industry. In 1909, Wakefield introduced a revolutionary new oil containing castor oil — a natural lubricant derived from the castor bean. This innovative product was named Castrol, a blend of “castor” and “oil.”

By the 1950s and 1960s, Castrol had become one of the most trusted names in engine lubrication worldwide. Its oils were used in everything from family saloons to Formula One cars and aircraft engines. The brand’s advertising during this period strongly emphasised performance and maintenance, encouraging motorists to visit garages for regular oil changes — a vital part of postwar car ownership culture.

This sign would have been displayed prominently in workshops and forecourts, often above the oil service area or near sump-drain stations, reminding customers to “refill your sump with Castrol.” The language and design reflect a hands-on motoring era when garages offered full-service oil changes rather than self-service refills.

Design and Features

The design is simple yet instantly recognisable — the deep green background with the white disc and red “Castrol” script was one of the most iconic brand identities in motoring. The typography and layout are typical of Castrol’s advertising of the era, combining clear messaging with visual impact.

Made from tin rather than enamel, this sign would have been more affordable to produce and distribute, allowing Castrol to supply them in large quantities to local garages across Britain and the Commonwealth. Despite their ubiquity at the time, few survived decades of use in oily workshop environments, making surviving examples such as this increasingly collectible.

Collectibility

Mid-century Castrol signs remain highly sought after by petroliana collectors and automotive historians alike. The Wakefield-era branding, predating the company’s full transition to “Castrol Ltd.” in the 1960s, adds to its appeal.

Signs with clean, legible lettering and strong colours, like this one, are particularly prized. They represent the golden age of motoring service culture — a time when local mechanics, rather than corporate chains, were at the heart of the British motoring experience.

Summary

• Genuine Castrol Motor Oil tin sign from the 1950s–1960s

• Features the classic “Let Us Drain and Refill Your Sump” advertising slogan

• Iconic green, white, and red colour scheme

• Produced for C.C. Wakefield & Co. Ltd., London

• Used in garages and service stations across the UK

• Excellent piece of British motoring and petroliana history

This Castrol tin sign perfectly captures the charm and professionalism of the postwar garage trade — a timeless reminder of Britain’s motoring heritage and one of the most enduring brands in automotive history.