Bobcat 863 08-21 Error Code
08-21 Error Code
Engine Coolant Temperature Out Of Range High is the main cause of 08-21 error.A significant number of consequences can be suffered due to an overheating engine with code 08-21. The problem might be a blown gasket or something related to the fuel tank.
Tip For 863 Model
Do not use the bucket as a breaker or pile driver. It is
better to excavate hard or rocky ground after breaking it
with other equipment. This will reduce damage to the
Do not move the excavator while the bucket is in the ground.
Dig only by moving the boom and arm toward the excavator.
Do not back dig (digging by moving the boom and arm away from the excavator). Damage to the quick coupler and attachments can occur.