There are many places that cause a small internal hydraulic leak that will never bother anything except hot-starting. It only takes a tiny flow to cause the pump to go into "pump" stroke and cause hard cranking. If it IS the pump, it's likely just the stroke-control valve that you can change without removing the pump. If the problem is a leak on the tractor, my first suspect would be the steering. There are 6 o-rings in there that were leak-prone in early machines. Part # L34451 as I recall.
Stroke-control valve part # depends if you have the tiny 1.3 German pump, 2.4 USA pump, or 2.4 metric pump. All three were used on 2440s.
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Today's Featured Article - Tractor Profile: Allis-Chalmers Model G - by Staff. The first Allis-Chalmers Model G was produced in 1948 in Gasden, Alabama, and was designed for vegetable gardeners, small farms and landscape businesses. It is a small compact tractor that came with a complete line of implements especially tailored for its unique design. It featured a rear-mounted Continental N62 four-cylinder engine with a 2-3/8 x 3-1/2 inch bore and stroke. The rear-mounted engine provided traction for the rear wheels while at the same time gave the tractor operator a gre
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