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| SERVICE | DELIVERY PRICE | DELIVERY TIME |
|---|---|---|
| Standard Delivery | £19.95 | 7 to 10 working days |
| SERVICE | DELIVERY PRICE | DELIVERY TIME |
|---|---|---|
| Standard Delivery | £19.95 | 7 to 10 working days |
| SERVICE | DELIVERY PRICE | DELIVERY TIME |
|---|---|---|
| Standard Delivery | £7.99 | 3 to 5 working days |
| SERVICE | DELIVERY PRICE | DELIVERY TIME |
|---|---|---|
| Standard Delivery | £7.99 | 5 to 7 working days |
| SERVICE | DELIVERY PRICE | DELIVERY TIME |
|---|---|---|
| Standard Delivery | £7.99 | 7 to 10 working days |
Vintage and classic car electrical systems present a distinct challenge: sourcing a reliable 6-volt battery that delivers sufficient cold-cranking power without compromising period-correct fitment. The Numax 421 Vintage Car Battery addresses this requirement directly, offering a purpose-built 6V solution for classic and veteran vehicles that retain their original electrical architecture.
Manufactured by Numax Batteries, a brand established on the principles of quality, durability, and performance, the 421 is built to high specification within the Numax Classic Car Battery range (Product Group 2320). Numax engineering the automotive range to cope with the electrical demands placed on older vehicle systems, where reliability and consistent output are essential.
With a capacity of 56Ah (C20) and a cold cranking rating of 270A (EN), the 421 provides dependable starting performance. Physical dimensions are 174mm × 169mm – 218mm (L × W × H) with a weight of 9kg. The battery uses Terminal Type 1 with a Hold-Down code of B00 and Polarity 0 (positive on the left). No direct cross-references are listed; verify fitment against your vehicle's battery tray and terminal configuration before ordering. Start-stop compatibility is not confirmed – refer to the product label.
This battery is available across a range of related variants including SKUs 154, 155, 002L, 002R, 004L, 004R, 005L, 005R, 009L, and 012UR to suit differing terminal and polarity requirements." The Numax 421 is backed by a 1-year manufacturer's warranty covering defects in materials and workmanship under normal operating conditions. "Delivery: pallet shipment, typically 3–5 working days within UK mainland. Contact PartsForMachines for delivery quote. 30-day returns.
Quality, durability and performance sum up the NUMAX range of batteries. NUMAX batteries are built to the very highest specification to cope with today’s automotive electrical demands. The NUMAX automotive range has a battery to suit every application whilst providing premium quality and value. That’s why people trust the NUMAX battery brand to give them the performance they need no matter how harsh the conditions.
Key Feature:Engineered for modern passenger vehicles, providing reliable starting power, voltage stability, and long-term durability to support daily commuting and standard automotive electrical demands.
Uses:PartsForMachines is a premier e-commerce platform, founded in 2019 in Warwickshire, UK, specialising in aftermarket parts and services for construction, agriculture, and industrial machinery. We offer an extensive catalogue of over 500,000 products. Standard delivery: 1–3 working days within UK mainland. We are proud to be an authorised distributor, giving customers extra confidence when purchasing genuine products from us. In addition, we provide a 30-day return policy for eligible items.
Fitment Warning:You must check your current battery against the specifications of this battery before ordering to ensure that this is the correct battery for your vehicle. Check battery technology, dimensions, terminal type, polarity, capacity (AH) and cranking performance (CCA). We cannot guarantee correct fitment under any circumstances.
| Brand | Numax Batteries |
|---|---|
| Voltage | 6V |
| Capacity AH (C20) | 56Ah |
| Cold Cranking Amps (EN) | 270A |
| L × W × H | 174mm × 169mm × 218mm |
| Warranty period | 1 Year |
| Weight (Kg) | 9 |
| Capacity AH (C5) | |
| Capacity AH (C10) | |
| Capacity AH (C100) | |
| Marine Cranking Amps (MCA) | |
| Watt-Hours (WH) | |
| Length (mm) | 174 |
| Width (mm) | 169 |
| Height Inc. Terminal (mm) | 218 |
| Terminal Placement | 0 |
| Terminal Type | 1 |
| Hold Down | B00 |
| Case Size | |
| ETN Number | |
| TTNR |
| Engine Parts | Product Number | Product Name | Recommended Units | Product Price |
|---|
Expert Guidelines for Preserving Your Heavy Equipment Battery Heavy machinery, including forklifts, bulldozers, and excavators, relies on robust batteries to minimize downtime and maximize operational availability. These batteries must endure even more challenging conditions than typical automotive batteries. Moreover,...
Standard Delivery: £7.99
Delivery Estimate: 3 to 5 working days
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| Technical Specification | |||||
|---|---|---|---|---|---|
| PRODUCT NUMBER | YBX1012 | YBX1049 | EA456 | EA472 | EA530 |
| Voltage | 12 | 12 | 12 | 12 | 12 |
| Capacity (AH) | 45 | 45 | 45 | 47 | 53 |
| Hold Down | B3 | B1 | |||
| Cold Cranking Amps (EN1) | 380 | 350 | 390 | 450 | 540 |
| Terminal Type | T1 | T1 | |||
| Cell Layout | 0 | 1 | |||
| Length | 207 | 220 | 237 | 207 | 207 |
| Width | 175 | 135 | 127 | 175 | 175 |
| Height | 190 | 225 | 227 | 175 | 190 |
| Show More | |||||
A. The Numax 421 is a 6-volt battery, designed specifically for classic, vintage, and veteran vehicles that retain a 6V electrical system.
A. The Numax 421 has a capacity of 56Ah measured at the C20 rate and a Cold Cranking Amp (CCA) rating of 270A as measured to the EN standard.
A. The battery measures 174mm in length, 169mm in width, and 218mm in height including the terminal. It weighs 9kg.
A. The Numax 421 uses Terminal Type 1 with a Hold-Down code of B00. Polarity is 0, meaning the positive terminal is positioned on the left when viewed from the front of the battery.
A. Start-stop compatibility for the Numax 421 has not been confirmed. Please refer to the product label or contact PartsForMachines before fitting this battery to a vehicle with start-stop technology.
A. No direct cross-references are listed for the Numax 421. It is commonly searched as a type 421 or 6V type 421 battery. Please verify fitment using your vehicle's battery specification or tray dimensions before ordering.
A. Related variants are available under SKUs 154, 155, 002L, 002R, 004L, 004R, 005L, 005R, 009L, and 012UR. These variants may differ in terminal placement or polarity configuration. Contact PartsForMachines to confirm which variant suits your application.
A. The Numax 421 is covered by a 1-year manufacturer's warranty against defects in materials and workmanship under normal operating conditions.
A. The Numax 421 does not carry a published IP ingress protection rating. Marine Cranking Amps (MCA), Watt-Hours (WH), and National Cycle Classification (NCC) ratings are not applicable or not specified for this product.
A. The Numax 421 is dispatched via pallet shipment, typically arriving within 3–5 working days to UK mainland addresses. Contact PartsForMachines for a delivery quote. A 30-day returns policy applies; goods must be returned in their original condition and packaging.
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