BARDAHL 140018 T&D ADDITIVE 250 ML - Gearbox and Differential Oil Treatment, reduces noise and wear

Capacity: 250 ml

BARDAHL 140018 – T&D ADDITIVE 250 ML

Bardahl T&D Additive is a treatment for gearbox and transmission oil. It is added to the oil when gears are hard to engage or noisy. It is designed for drivers who want to protect their gearbox and differential, and for workshops that add it during an oil change.

What it is for

Bardahl recommends T&D for these problems:

• Difficult gear shifting
• Noisy gears

According to Bardahl, the possible causes are poor-quality gearbox oil and gear wear.

Benefits

• ✅ Maximum protection against wear of gears and mechanical parts.
• ✅ Acts as an anti-weld and anti-seize agent.
• ✅ Reduces friction and operating temperature.
• ✅ Reduces noise.

Dosage and directions

Add T&D directly to the oil at 5% to 10% of the oil capacity (Bardahl's guidance). For example, a 2-litre gearbox needs 100 to 200 ml of product.

Caution: do not use T&D in mechanisms where the manufacturer advises against friction-modifying additives, such as wet (oil-bath) clutches.

Technical specifications

• Bardahl code: 140018
• Product: T&D Additive, gearbox and transmission oil treatment
• Size: 250 ml bottle
• Dosage: 5–10% of the oil capacity
• Action: anti-wear, anti-weld, anti-seize, reduces friction and noise

Compatibility

T&D is intended for gearbox and transmission oil. It must not be used where the manufacturer advises against friction-modifying additives, as in wet clutches. If you have an automatic or automated manual gearbox, check the manufacturer's guidance or contact us before buying.

When it is not enough: T&D does not fix broken synchronisers, damaged bearings or chipped gears. If the gearbox grinds heavily or makes loud metallic noises, have it checked by a workshop.

Pair it with

• Bardahl 142023 B2 Oil Treatment 300 ml, engine oil additive
• Bardahl 147023 Engine Tune-Up 355 ml, engine cleaner
• Bardahl Gear Box 10W-40, motorcycle gearbox oil

Frequently asked questions

What is Bardahl T&D Additive for?
Bardahl T&D is a treatment for gearbox and transmission oil. It protects gears from wear and reduces friction, operating temperature and noise. Bardahl recommends it when gears are hard to engage or noisy.

How much T&D should I add?
Bardahl indicates 5% to 10% of the oil capacity. A 2-litre gearbox needs 100 to 200 ml, so the 250 ml bottle is enough.

Can I use T&D in a motorcycle with a wet clutch?
No. Bardahl warns against using it where the manufacturer advises against friction-modifying additives, such as wet clutches. For motorcycle gearboxes with a wet clutch, a dedicated oil such as Bardahl Gear Box 10W-40 is more suitable.

Does T&D fix gears that won't engage?
It can help when the problem comes from poor-quality oil or gear wear. If the cause is the clutch, the linkage or a broken synchroniser, a repair is needed.

Does T&D reduce gearbox noise?
Yes, Bardahl lists noise reduction among the benefits of T&D.

What is the difference between T&D and B2 Oil Treatment?
T&D (140018) is designed for gearbox and transmission oil. B2 Oil Treatment (142023) is designed for engine oil, against oil consumption and blue exhaust smoke.

When should I add T&D?
The most convenient time is when changing the gearbox or differential oil. Add it to the new oil, keeping to the 5–10% dosage.

Is it suitable for automatic gearboxes?
Bardahl's sources do not state this explicitly. Before using it in an automatic or automated manual gearbox, check the manufacturer's guidance or contact us.

Why buy from Autoricambi Tritella

Since 2007 we have supplied workshops and drivers through 4 stores in the province of Teramo, Italy (Giulianova, Mosciano Stazione, Roseto degli Abruzzi, Nereto). Genuine Bardahl products, fast shipping and technical support: if you are unsure which product suits your car, contact us before buying.