# Varta K13 · Truck battery 6V 140Ah 720A

![Varta K13 · Truck battery 6V 140Ah 720A](https://bateriasonline.es/1729-home_default/varta-k13.jpg)

> Varta K13 (ETN 140023072): 140 Ah truck battery, 720 A (EN), 260×175×236 mm, positive terminal on the right.

**Category:** [Truck, commercial and agricultural vehicle batteries](https://bateriasonline.es/en/truck-agricultural-batteries) → [Varta](https://bateriasonline.es/en/varta-batteries)

- **Canonical URL**: https://bateriasonline.es/en/varta-k13
- **Language**: en
- **Brand**: Varta
- **Reference**: BOL-VARTA-K13
- **EAN**: 4016987128916
- **MPN**: K13
- **Price**: 203,66 € (VAT incl., Spain)
- **Last updated**: 2026-10-27

## Technical specifications

| Feature | Value |
|---|---|
| Brand | Varta |
| Range | VARTA ProMotive HD |
| Application | Trucks and commercial vehicles |
| Technology | Lead-acid |
| Voltage | 6 V |
| Capacity | 140 Ah |
| Cold cranking amps (EN) | 720 A |
| Length | 260 mm |
| Width | 175 mm |
| Height | 236 mm |
| Weight | 19.5 kg |
| Polarity | Positive terminal on the right |
| ETN code | 140023072 |

## Quick description

The Varta K13 (ETN 140 023 072, also written K 13 or 140023072) is a truck battery with 6 V, 140 Ah and 720 A cold cranking current, measuring 260 × 175 × 236 mm, with the positive terminal on the right.

## Description

## Where the Varta K13 fits

The Varta K13 is a starter battery for trucks, tractors and machinery: high capacity, robust terminals and a build that withstands vibration and the starts of large engines. It is built to resist constant vibration and long shifts.
Varta lists the K13 in its Promotive HD line. [The full range of Varta batteries](https://bateriasonline.es/en/varta-batteries)

## Inside the K13: lead-acid technology

The K13 is a conventional lead-acid battery, with plates immersed in liquid electrolyte. Avoid leaving them discharged, as they sulphate, and charge them with a charger that cuts off or switches to maintenance when finished.

## Varta K13 vs I11 and L14

How the K13 compares with Varta batteries of similar size and capacity:

| Model | Capacity | Cold cranking (EN) | Dimensions (mm) | Positive | Weight |
|---|---|---|---|---|---|
| Varta K13 (this one) | 140 Ah | 720 A | 260 × 175 × 236 | right | 19.5 kg |
| Varta I11 | 112 Ah | 510 A | 260 × 175 × 236 | right | 16.5 kg |
| Varta L14 | 150 Ah | 760 A | 333 × 175 × 235 | right | 23 kg |

- Varta I11: 28 Ah less, 210 A less cranking power, the same dimensions.
- Varta L14: 10 Ah more, 40 A more cranking power, a different case (333 × 175 × 235 mm).

## Equivalents and alternatives to the Varta K13

No other reference in the catalogue fully matches the dimensions and polarity of the K13; you will find the closest ones among our [truck, commercial and agricultural vehicle batteries](https://bateriasonline.es/en/truck-agricultural-batteries).

## Varta K13 codes and part numbers

The K13 is listed under these codes on labels, in garages and in catalogues:

| Commercial reference | K13 (K 13) |
|---|---|
| ETN code | 140023072 (also 140 023 072) |
| EAN | 4016987128916 |
| Case size according to Varta | M4 |
| Base hold-down | B01 |
| Also known as | Varta K 13 · Varta 140023072 · Varta 140 023 072 |
| Not to be confused with | Varta E13 (70 Ah, 640 A), Varta A13 (40 Ah, 330 A), Varta K11 (143 Ah, 900 A) |

## What to look at before buying the K13

- Check the EN amps on your battery: if it says 720 A or less, the K13 covers your engine.
- Your current battery should say about 140 Ah; a little more is also fine.
- Polarity of the K13: positive terminal on the right (if yours has it on the other side, the cables will not reach).
- Measure the space: the K13 takes up 260 × 175 × 236 mm.

## Frequently asked questions about the Varta K13

### Varta K13 or I11?

Compared with the K13, the Varta I11 has 28 Ah less and 210 A less cranking power. The K13 cranks harder; the I11 is only a good option if your original battery says 510 A or less. Both measure 260 × 175 × 236 mm, so they fit the same tray.

### What is the ETN code of the Varta K13?

140023072, also written 140 023 072. The ETN (European Type Number) is printed on the label and used in parts catalogues.

### How much does the Varta K13 weigh?

The K13 weighs 19.5 kg. For reference, the Varta I11 (112 Ah) weighs 16.5 kg.

### Which side is the positive terminal on the Varta K13?

The K13 has the positive terminal on the right, looking at the battery from its long side with the terminals closest to you.

## Keep comparing: alternatives to the K13

- [Other truck, commercial and agricultural vehicle batteries](https://bateriasonline.es/en/truck-agricultural-batteries)
- [More Varta models](https://bateriasonline.es/en/varta-batteries)
- [Varta N12](https://bateriasonline.es/en/varta-n12) · 200 Ah, 950 A, 403×175×238 mm

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*bateriasonline.es — Batteries and accessories · 2026-11-10*