Volvo IShift Transmission Fluid Capacity! – Maintenance Tips
To change the oil or refill the whole gearbox in order to ensure maintenance, it is vital to know the Volvo IShift transmission fluid capacity.
Based on the version type and presence of the oil cooler, the Volvo I-Shift transmission fluid capacity is around 16 to 18.6 liters (16.9 to 19.7 quarts).
In this guide, let’s find out the amount of fluid that a Volvo I-Shift transmission can hold in the tank and some hacks to maintain the gearbox. Let’s dive into it!
What Is the Volvo IShift Transmission Fluid Capacity?
As a driver, you might be wondering exactly how much fluid a Volvo I-Shift transmission fluid holds. And, depending on the transmission type, it can vary. Here are the details on the fluid capacity aspect:
1. Fluid Capacity of Volvo I-Shift’s Transmission (Standard)
If talking about the standard Volvo I-Shift transmission, it is suitable for heavy-duty trucks that can handle tough rides. This also comes with the SPO2812 dual-clutch style gearbox.
Moreover, according to Wikipedia, it is built for trucks with up to 540 horsepower. This can also handle up to 2800 Nm of torque.
To refill or flush the gear properly, it’s vital to have the right amount of fluid. Otherwise, you can just fill it wrongly or overfill the fluid than what it can hold.
Usually, the Volvo I-Shift transmission can carry around 16 to 17 liters (16.9 to 17.96 quarts) of fluid. But, the amount depends on whether or not the truck has an oil cooler:
| Standard Transmission Type | Capacity (in Quarts) | Capacity (in Liters) |
| Without oil cooler | 16.9 quarts | 16 liters |
| With the oil cooler at normal capacity | 16.9 quarts | 16 liters |
| With the oil cooler at high capacity | 17.964 quarts | 17 liters |
Without Oil Cooler
If the truck doesn’t have an oil cooler, the truck can hold 16.9 quarts (16 liters) of transmission fluid. This amount is also enough for normal operation.
With Normal Capacity Oil Cooler
Even when a standard oil cooler is added, it can take around 16.9 quarts (16 liters) of transmission oil. Thanks to the added cooler, it helps manage the temperature without needing more fluid.
With High Capacity Oil Cooler
If the truck has a high-capacity oil cooler, it can carry up to 17.964 quarts (17 liters) of fluid. Besides, this extra fluid helps keep the transmission cool when the truck is running harder.
2. Fluid Capacity of Volvo I-Shift’s Transmission (Crawler Gears)
In the case of the crawler gears Volvo I-Shift transmission, it is built for trucks that need to move very slowly and carefully. In other words, they are ideal on rough terrain or in tight spaces.
Not to mention this version has an extra unit between the clutch and the gearbox. Plus, it comes with great gear like ASO-C, ASO-ULC, and ARSO-MSR. This kind of transmission also offers one or two crawler gears.
It also lets your truck go as slow as 0.5 km/h while helping these gears so you can control in tough conditions.
And, the I-Shift with crawler gears needs 17.6 to 18.6 liters (18.6 to 19.7 quarts) of transmission fluid because of the added gears. To know it in detail, let’s find out the capacity in detail based on oil cooler presence:
| Crawler Gears Transmission Type | Capacity (in Quarts) | Capacity (in Liters) |
| Without oil cooler | 18.598 quarts | 17.6 liters |
| With the oil cooler at normal capacity | 18.598 quarts | 17.6 liters |
| With the oil cooler at high capacity | 19.654 quarts | 18.6 liters |
Without Oil Cooler
If the truck has no oil cooler, the crawler gear version of the I-Shift can hold 18.598 quarts (17.6 liters) of fluid. The extra fluid also helps support the additional gears.
With Normal Capacity Oil Cooler
When an oil cooler is added at normal capacity, it can carry up to 18.598 quarts (17.6 liters). And, the cooler helps keep the transmission from overheating.
With High Capacity Oil Cooler
If the truck has a high-capacity oil cooler, it can take up to 19.65 quarts (18.6 liters) of transmission oil. Due to the oil cooler at high capacity, it ensures the transmission stays cool and works well.
Easy Tips to Maintain Volvo I-Shift Transmissions!
To ensure the Shift transmission runs smoothly with no bugs, it’s ideal to take care of it. Here’s how to maintain it using basic hacks:
1. Empty Air Tanks Regularly
On a daily basis, it’s better to drain the oil from the transmission’s air reservoir. This will also protect your truck against damage by keeping dirt out of the gearbox.
2. Check the Oil Level Daily
You’ll need to park on flat ground and check the oil level. Furthermore, if you think it requires fluid, you just need to add a good amount. For that, you might be wondering what kind of transmission fluid a Volvo IShift takes.
In most cases, a Volvo IShift takes 75W-80 transmission fluid. And, it is a synthetic mixture of base oil that works great on automatic manual transmissions.
3. Change Oil on Time
If you drive daily, you’ll need to change the transmission oil every 400k kilometers (250k miles). For your information, the low level of fluid is one of the reasons why your Volvo D12 engine doesn’t work. And if this happens, you’ll need to change the oil.
Wrapping Up
Now that you know the Volvo IShift transmission fluid capacity, it’s time to take care of it. And, it’s required to flush the fluid once to clean it based on the specs.
This way you can also get rid of low or dirty transmission fluid that can cause the gears issues. I hope you understand the capacity of the Volvo I-Shift transmission fluid to refill it properly.
Now, if you are interested to learn about why your Volvo mirrors not opening or causing issues, be sure to check this detailed guide!
