Quick answer: For trucks and farm machinery there is the Varta J3, carrying a 125Ah 12V 950A rating. Compare the code on your old battery with J3 before ordering.
12VVoltage
125AhCapacity (C20)
950ACold cranking current (EN)
Is the Varta J3 right for you?
Fleets of trucks and farm machinery often standardise on the Varta J3. Overnight cab loads call for capacity as well as starting punch. The code on the old battery is all the information the search needs.
125Ah sits in the comfortable middle for trucks and farm machinery. Cold starts are well covered: 950A is above the norm for its class.
Specifications table
ManufacturerVarta
Part numberJ3
Product lineVARTA ProMotive SLI
Applicationtrucks and farm machinery
Voltage12V
Capacity (C20)125Ah
Cold cranking current (EN)950A
Battery technologyLead-acid
Dimensions (L × W × H)286 × 269 × 230 mm
Weight36.8 kg
Layout code2
Barcode4016987166543
Installation and maintenance tips
A lorry with a sleeper cab runs the heater, the fridge and phone chargers all night on its batteries. Check the alternator output when replacing batteries on older trucks. A cracked case from vibration means the battery should come out at once.
What lead-acid means for you
Each cell in a flooded battery produces about two volts. Flooded traction batteries last years with regular watering. Hand old batteries in at an authorised recycling point.
Will the Varta J3 fit?
- ✓ Chemistry: lead-acid. Some vehicles and chargers are programmed for a specific type, so check before swapping.
- ✓ Tape measure time: 286 × 269 × 230 mm is the footprint and height of this case. Leave a little clearance for the clamp and the cable lugs.
- ✓ 125Ah sets how long the battery can power things with the engine off.
Questions buyers ask about the Varta J3
How long does ordering take at baterias.online?
Yes. On baterias.online each product for trucks and farm machinery has its own page: confirm the data, place it in your cart and pay online.
Where is the code on my battery printed?
Usually on the top label or the front of the case, near the logo. Search for brand plus that code.
Is this battery easy to lift?
At 36.8 kg, it is manageable for one person with care. Keep it upright while moving it.
Does this battery start well in winter?
The rated cranking current is 950A to the EN standard. This is the key figure for cold weather starting.
See also
Everything on baterias.online is filed by brand and reference, so ordering the Varta J3 is straightforward. Checking the data first saves the hassle of a wrong order.
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