Could a hydraulic wheel motor be mounted directly inline with the auger shaft without a gearbox being used?
Something like this, for example?
Surplus Center - 13.9 CU IN TE0230US251AAFB PARKER HYD WHEEL MOTOR
Bruce
	
		
			
		
		
	
				
			Something like this, for example?
Surplus Center - 13.9 CU IN TE0230US251AAFB PARKER HYD WHEEL MOTOR
Bruce
 