Diesel Fuel Savers
D-Series — for diesel-powered vehicles and equipment from small generators to heavy-duty trucks. Select model based on fuel tank capacity. 10+ year lifespan.
Choose by Tank Capacity
D-Ball
Tank capacity: up to 20 liters
For small diesel engines and equipment. The most compact diesel model.
Model D10
Tank capacity: up to 100 liters
For diesel cars, pickups, generators, pumps, and light commercial vehicles.
Model D11
Tank capacity: up to 100 liters
For cars, SUVs, tractors, farm machinery, and boats. Complete diesel optimization set with Air Refining Device.
Model D20
Tank capacity: up to 200 liters
For medium trucks, buses, and heavy-duty vehicles. Includes two fuel enhancer units.
Model D21
Tank capacity: up to 200 liters
For trucks, tractors, farm machinery, and boats. Complete diesel optimization with Air Refining Device.
Model D50
Tank capacity: up to 500 liters
For heavy trucks, large fleet vehicles, and industrial equipment.
Model D51
Tank capacity: up to 500 liters
For trucks, buses, heavy commercials, cranes, and boats. Complete heavy-duty optimization set. The most deployed model worldwide.
D-Series Comparison
| Model | Tank | Contents | Best For |
|---|---|---|---|
| D-Ball | Up to 20L | Enhancer x 1 | Small diesel engines, equipment |
| D10 | Up to 100L | Enhancer x 1 | Generators, pumps, pickups |
| D11 | Up to 100L | Enhancer + Air Refiner | Cars, SUVs, tractors, boats |
| D20 | Up to 200L | Enhancer x 2 | Medium trucks, buses |
| D21 | Up to 200L | Enhancer x 2 + Air Refiner | Trucks, tractors, farm machinery |
| D50 | Up to 500L | Enhancer x 1 | Heavy trucks, large fleets |
| D51 | Up to 500L | Enhancer + Air Refiner | Buses, long-haul, cranes |
Looking for Gasoline Models?
We also offer a complete G-Series lineup for gasoline vehicles up to 100L tanks.