Check the listing for details. Oliver OC-4 OC Crawler Tractor Operators Service Manual. Condition: Brand New. Listed at 15.23 USD. The Oliver Model OC-4 OC4 Crawler Tractor Serial Numbers ITG000 and up Operators Service / Instruction manual is a reproduction of an original manual and is an excellent source of information on using your tractor and covers maintenance and many general mechanical repairs. The operators / instruction manual gives the tractor owner / operator instructions on; Oliver Model OC-4 gas crawler tractor four cylinder engine instruction manual Accessories Aircleaner Battery Carburetor Clutch Cooling system Connecting rids Crankcase filler breather cap Cylinder head installation Descending steep grades Differential Drawbar and hitching Driving instructions Engine clearances Engine lubrication Fan engine Final drive Friction throttle Fuel strainer Gear shift Generator Generator Genuine Oliver crawler parts Governor Idler Ignition system KD equipped tractors Locking tractors in stationary position Magneto Main bearings Maintenance chart Oil filter Oil pan and screen Oil pressure adjustment Oil pressure gauge Oil pump Ordering parts Pistons Power pulley and take-off Precleaner Preparing tractor for use Shifting gears Spark plugs Sprocket Starting motor Starting motor Starting switch Starting the engine Steering bands Step-voltage control Stopping the engine Tie bar Timing gears and camshaft Track frame guide and main spring assy Track frame lubrication Track frames Track rollers Tracks Track service Transmission Tractor specifications Tractor Speeds Tractor storage Valves Valve timing Water pump - engine Winter operation Winter overhauling Wiring diagram Wrench tension Also consider purchasing both the parts and service manual for your tractor, if available. The parts manual will make it much easier to find the right parts for the job and show in detail how the components are put together, while the service manual will lay out all the procedures for you. We ship most packages through the United States PostalService. Please use an address the USPS will Deliver to.--------All Parts are "After Market Parts". Any reference to a Manufacturers’brand name is meant only to describe the Make and Model equipment thepart fits. We Sell After Market Parts Only. All of our manuals arereproductions of the original manuals.Return Policy:Returns must be in new unused and in original packaging withno damage and identification labels attached. Items returned that are in multipacksmust have all pieces in their original packaging included.If the part is not returned following these criteria- itwill be sent back.If we made a mistake in sending your order, we shall beresponsible for the return shipping cost.All returned parts will be subjected to a 20% restocking feein cases of buyer error.In cases of buyer error, all shipping costs will be deductedfrom your refund.