Being that this is on a loader I'm assuming that the hose size is something between 1/2" and 3/4". If this is correct you would not have any hydraulic connections that would require an unusual amount of torque. For example, a 1/2" connection takes something in the 50 lb-ft range depending on style of thread. A 3/4" connection would only be around 80 lb-ft. If you have connections that are leaking after being tightened like you describe chances are very good that the couplings are damaged.
Rule-of-thumb is to use tape or dope on connections where the sealing happens within the threads, such as with tapered pipe threads. This is to prevent galling the threads as well as to aid in sealing. If the sealing happens somewhere other than in the threads, such as with ORB and JIC, no teflon is required.
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