Freightliner makes trucks in the Class 5 - Class 8 range. You would need a make an model in order to answer this. At the back of the pumpkin, there'll be a fill plug... unbolt it (you can use a 5/8" wrench or 5/8" 8 point socket to do this), stick your finger inside.. the oil level should come to the bottom of that hole for the fill plug. Anything less, and you need to add oil. Anything more, and you need to let it drain.
That depends on what the motor is.
Depends on what motor it has.
Rear diff is 1.75 qts of 75w90 or 75w140
4.1 oz
The oil capacity is 17oz of 80/90w gear oil. The oil capacity is 17oz of 80/90w gear oil.
11 gallons with filter
transmission oil capacity is 0.75 liters
Fill it with 10-80W gear oil until it drips from the fill plug. 2-3 Qt.
Unless you have a 4x4 or 6x6 unit, there is no front differential.
The oil capacity of the Honda CX650C is 2.5 liters or 2.6 U.S. quarts. That amount is with a oil filter change. The capacity for a engine overhaul would be 3.0 liters or 3.2 U.S. Quarts. Use 5.8 oz of Hypoid gear oil SAE 90 for the rear drive.
The rear axle.
The gear oil capacity of the 2000 Volkswagen New Beetle with a manual transmission is 2.1 quarts. For this vehicle, 75w90 synthetic gear oil is recommended.