# Truck battery Tudor TF1250 12V 125Ah 850A

![Truck battery Tudor TF1250 12V 125Ah 850A](https://baterias.com/3482-home_default/battery-tudor-tf1250-12v-125ah-850a.jpg)

> Tudor TF1250 truck battery 12V 125Ah 850A. Power Pro (HDX) range. Dimensions 349×175×285 mm, + terminal on the right. For heavy-duty fleets.

**Category:** [Truck Batteries](https://baterias.com/gb/batteries-for-truck) → [TUDOR](https://baterias.com/gb/tudor)

- **Canonical URL**: https://baterias.com/gb/battery-tudor-tf1250-12v-125ah-850a
- **Language**: en-GB
- **Brand**: TUDOR
- **Reference**: BCOM-TUDOR-TF1250
- **EAN**: 3661024057677
- **MPN**: TF1250
- **Price**: 119,50 €
- **Stock**: In stock

## Technical specifications

| Feature | Value |
|---|---|
| Brand | TUDOR |
| Reference | TF1250 |
| Model | TUDOR PRO (HDX) |
| Voltage (V) | 12 V |
| Largo | 349 mm |
| Ancho | 175 mm |
| Alto | 285 mm |
| Peso | 31 kg |
| Tecnología | Flooded |
| EAN | 3661024057677 |
| Terminal layout | Positive terminal on the right |
| Terminal type | EN taper post |
| Hold down | B0 |
| Cold cranking amps (EN) | 850 A |
| Capacity (C20) | 125 Ah (c20) |
| Case type | D03 |

## Quick description

**Tudor TF1250 12V 125Ah 850A** is a professional battery for heavy commercial vehicles. Withstands constant chassis vibration, supports long cold-engine cranks and keeps auxiliary services running (tachograph, heater, refrigeration, GPS) during driver's mandatory rest stops.

## Why this truck battery?

- **True Heavy Duty** built for intensive professional use
- **Long cold-diesel cranks** reliable even in extreme cold
- **Powers services at idle** tachograph, heater and lights with engine off

🔌 Voltage
12 V

⚡ Capacity
125 Ah C20

🔋 Cold cranking
850 A EN-1

📏 Dimensions
349×175×285 mm

⚙️ Technology
Lead-acid

🧭 Polarity
Positive on the right

⚖️ Weight
31 kg

🏷️ Model
TUDOR Power Pro (HDX)

## Description

## Truck battery Tudor TF1250 PRO (Hdx) 125Ah 850A 12V

12*V* Voltage
125*Ah* Capacity
850*A* Cold cranking
31*kg* Weight

With **125 Ah** and **850 A** of cold cranking current (EN), the **Tudor TF1250** from the **PRO (Hdx)** range is built for professional use in trucks, buses, tractors and heavy machinery. Measuring 349 × 175 × 285 mm and the positive terminal on the right, it is the direct replacement for trucks fitted from the factory with a 125 Ah battery of this format.
- Powers tachograph, fridge and heater during rest stops.
- Better tolerance to deep discharge than a conventional starter battery.
- Good balance of capacity, cranking power and price.
- Resistant to constant chassis vibration.

### Will it fit your current battery tray?

It has external dimensions of 349 × 175 × 285 mm and weighs 31 kg. The positive terminal on the right decides which side the cables end up on: it is the detail that causes most buying mistakes, so check it before ordering. It uses a B0 hold-down and EN taper post terminals, the system that anchors and connects it in the vehicle. Before replacing it, measure your current battery tray: if all three dimensions and the terminal positions match, the swap is direct and needs no adapters.

### What the Tudor TF1250 is for

With 125 Ah, the Tudor TF1250 cranks large-displacement diesel engines in the cold and powers tachograph, fridge and heater during rest stops. Check that it matches your current battery in dimensions, terminals and hold-down: this reference has a weight of 31 kg, EN taper post terminals and B0 hold-down.

### The Tudor TF1250: PRO (Hdx) range and conventional lead-acid technology

Within the Tudor catalogue, the **PRO (Hdx)** series groups the references designed for this use. The TF1250 is the 125 Ah model of that family, with the same performance as its siblings in other sizes.
Conventional lead-acid is the benchmark against which other technologies are compared: good cranking current, great tolerance to alternator charging and the best price per amp-hour.

### Tudor: the maker behind the TF1250

Tudor has made batteries in Spain for more than a century and remains one of the brands most trusted by Spanish workshops for reliability and value. We guarantee that every Tudor arrives new, charged and with the manufacturer's full warranty.

### Manufacturer's warranty

The Tudor TF1250 comes with the **manufacturer's official warranty** against manufacturing defects. An important note for commercial vehicles: most trucks use **two batteries connected in series** (24 V installation). If you replace only one, the new battery works alongside the old one, which has already lost capacity; that imbalance shortens its life and the manufacturer may treat it as misuse. Always replace **both at the same time**.

### Usage and maintenance tips

Keep the terminals clean and tight and the battery firmly secured against chassis vibration. On batteries with filler caps, check the electrolyte level and top up only with distilled water.

### Delivery times and returns

Same-day dispatch from our warehouse for in-stock orders placed **before 6:00 pm**: 24-48 working hours in mainland Spain and Portugal, 3 to 5 days in the islands and the rest of Europe. Returns are accepted for **14 days** if the battery has not been used (free collection on the Iberian mainland). You will receive tracking by email.

## Frequently asked questions

### How do I change this battery step by step?

In most trucks it fits in 15-30 minutes with a 10 mm wrench; if the battery is under the seat or in the boot the time can double. See the step-by-step guide on our blog. Quick summary: 1) switch off the engine and remove the key; 2) locate the original battery (engine bay, boot or under seat); 3) disconnect the negative (−) terminal first, then the positive (+); 4) loosen the hold-down clamp and remove the old battery; 5) fit the new one in the same orientation — with positive on the right match the polarity shown on the product sheet; 6) connect the positive (+) first, then the negative (−). On trucks with Start-Stop or BMS, register the battery via OBD so the alternator applies the correct charging profile.

### How long does the Tudor TF1250 battery last?

Expected lifespan of the Tudor TF1250 is 4 to 7 years in regular use (depends on technology and climate). In cold regions it drops slightly due to cold-start stress; in very hot regions it also drops because of electrolyte evaporation. To extend its life: avoid deep discharges (headlights on with engine off), have the alternator checked yearly, and keep the battery clean and properly secured.

### What are the dimensions of the Tudor TF1250 battery?

Dimensions (length × width × height) are 349×175×285 mm — also written as 349x175x285 mm — following the European DIN standard. Always measure the space in your truck before buying: even one extra millimetre can prevent the hold-down clamp from closing. The height shown includes the terminals.

### Which side is the positive terminal on this battery?

Polarity: positive on the right. To identify it, place the battery in front of you with the terminals facing you and check which side the positive (+, marked with a red ring) is on. Before buying, verify the polarity matches your current battery: switching polarity forces longer cables or system reconfiguration, with short-circuit risk.

### Is the TF1250 valid for my vehicle?

Three options to confirm: 1) enter your number plate in the finder (DGT/DVLA/KBA auto-detect your model and engine); 2) check the "Compatible vehicles" tab on this page, where we list every vehicle verified by our technical team; 3) if you cannot find your model, message us on WhatsApp with brand, model, engine and year — we reply during business hours (Mon–Fri 10:00–13:30 and 16:40–18:00 (Spanish time, CET)). The TF1250 fits 276 verified vehicle versions in our database.

### What are the equivalents of the TF1250 model?

Directly interchangeable batteries (same dimensions, same polarity, same Ah and CCA) are the OEM equivalents from leading brands: Bosch, Tudor, Exide and, depending on the model, Banner or Yuasa. Exact equivalence depends on technology — an EFB cannot be replaced with a conventional battery in Start-Stop trucks. See the "Equivalents" section to view recommended options at the same performance level.


## Compatible vehicles

This battery fits 276 vehicles. Most searched:

- [J C BAMFORD (JCB) 500 (1990)](https://baterias.com/gb/batteries-for-construction-and-agricultural-machinery/j-c-bamford-jcb/500)
- [J C BAMFORD (JCB) 3CX Series (1990)](https://baterias.com/gb/batteries-for-construction-and-agricultural-machinery/j-c-bamford-jcb/3cx-series)
- [MASSEY FERGUSON MF-Serie (1990)](https://baterias.com/gb/batteries-for-construction-and-agricultural-machinery/massey-ferguson/mf-serie)
- [J C BAMFORD (JCB) 400 (1990)](https://baterias.com/gb/batteries-for-construction-and-agricultural-machinery/j-c-bamford-jcb/400)
- [JCB Others (1990)](https://baterias.com/gb/batteries-for-construction-and-agricultural-machinery/jcb/others)
- [BEDFORD TL-Serie (1990)](https://baterias.com/gb/batteries-for-truck/bedford/tl-serie)
- [DODGE Others (1990)](https://baterias.com/gb/batteries-for-truck/dodge/others)
- [MASSEY FERGUSON MF Series (1990)](https://baterias.com/gb/batteries-for-construction-and-agricultural-machinery/massey-ferguson/mf-series)
- [ERF |others (1990)](https://baterias.com/gb/batteries-for-truck/erf/others)
- [MASSEY FERGUSON MF 800 (1990)](https://baterias.com/gb/batteries-for-construction-and-agricultural-machinery/massey-ferguson/mf-800)
- [JCB 800-Serie (1990)](https://baterias.com/gb/batteries-for-construction-and-agricultural-machinery/jcb/800-serie)
- [ATLAS XA (1990)](https://baterias.com/gb/batteries-for-construction-and-agricultural-machinery/atlas/xa)
- [BEDFORD TM-Serie (1990)](https://baterias.com/gb/batteries-for-truck/bedford/tm-serie)
- [SEDDON ATKINSON |others (1990)](https://baterias.com/gb/batteries-for-truck/seddon-atkinson/others)
- [AVELING BARFORD Others (1990)](https://baterias.com/gb/batteries-for-construction-and-agricultural-machinery/aveling-barford/others)

## Equivalent batteries

- [VARTA J1](https://baterias.com/gb/battery-varta-j1-12v-125ah-720a)
- [EXIDE EG1250](https://baterias.com/gb/battery-exide-eg1250-12v)
- [EXIDE EF1250](https://baterias.com/gb/battery-exide-ef1250-12v-125ah-850a)
- [TUDOR TG1250](https://baterias.com/gb/battery-tudor-tg1250-12v-125ah-760a)
- [EXIDE EF1420](https://baterias.com/gb/battery-exide-ef1420-12v-142ah-850a)

## Technical team (editorial authorship)

The FAQs, guides and comparisons on this site are reviewed by the baterias.com technical team — automotive battery specialists since 2012.

→ https://baterias.com/gb/technical-team

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*baterias.com — Automotive batteries · 2026-10-25*