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Technical Specification
PRODUCT NUMBER YBX1612YBX1630YBX1655YBX1657
Voltage 12121212
Capacity (AH) 143143126142
Hold Down NB3NN
Cold Cranking Amps (EN1) 900900750850
Terminal Type T1T1T1T1
Cell Layout 3300
Length 513513347345
Width 189189174175
Height 223223285275
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Q 1. What is the voltage and capacity of the Hella HP633?

A. The Hella HP633 is a 12V battery with a rated capacity of 135Ah (C20) and a cold cranking amp (CCA EN) rating of 680A, making it suitable for high-demand commercial vehicle starting applications.

Q 2. What vehicles is the HP633 designed for?

A. The HP633 is purpose-built for commercial vehicles including trucks, vans, long-distance coaches, buses, fire engines, combine harvesters, and construction vehicles. It is intended for fleet and heavy-duty professional applications rather than standard passenger cars.

Q 3. What are the physical dimensions and weight of the HP633?

A. The HP633 measures 360mm in length, 253mm in width, and 240mm in height including terminals. It weighs 38.1kg. The case type is 12C135.

Q 4. What is the terminal configuration and polarity of the HP633?

A. The HP633 uses Type 1 terminals with Terminal Placement 6, indicating the positive terminal position. The hold-down configuration is B00. Please verify terminal placement against your vehicle's battery tray and cable arrangement before installation.

Q 5. Is the Hella HP633 compatible with start-stop systems?

A. Start-stop compatibility for the HP633 has not been confirmed. Please refer to the product label and your vehicle manufacturer's specifications before fitting this battery to a start-stop equipped vehicle.

Q 6. What cross-reference number does the HP633 correspond to?

A. The HP633 cross-references to the standard Type 633 battery designation. It may also be referenced under the OE number 61 21 7 633 698. Always verify dimensions, terminal placement, and CCA rating against your original battery before ordering.

Q 7. Is the HP633 a sealed, maintenance-free battery?

A. Yes, the HP633 is a sealed lead-acid battery. It is maintenance-free, requiring no topping up of electrolyte under normal operating conditions, which is beneficial in demanding fleet environments where regular maintenance access may be limited.

Q 8. What warranty is provided with the Hella HP633?

A. The HP633 is backed by a 2-year manufacturer warranty covering defects in materials and workmanship under normal use conditions. Please retain your proof of purchase for any warranty claims.

Q 9. Are other capacities or variants available within the Hella commercial battery range?

A. Yes. PartsForMachines stocks multiple Hella commercial battery variants alongside the HP633, including HP612, HP620, HP622, HP623, HP624, HP625, HP629, HP632, HP638, and HP655. These cover a range of capacities and case configurations to suit different commercial vehicle requirements.

Q 10. How is the HP633 delivered and what is the returns policy?

A. The HP633 is dispatched on a pallet due to its size and weight. Delivery typically takes 3–5 working days to UK mainland addresses. Please contact PartsForMachines directly for a delivery quote. A 30-day returns policy applies; goods must be returned in original, unused condition.

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