Spicer IPL: Tandem Drive Axle Illustrated Parts List - All Non-Current Models - Manual (Page 9)

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Identify the model being serviced by the Carrier Casting Number.
Casting No. 110500 was produced after August 1, 1981 and is equipped with input shaft tapered roller bearing. Casting No. 103530 was prdouced
before August 1, 1981 and is equipped with input shaft ball bearing.
Tapered Roller Bearing Conversion Kit 118628
To covert from input shaft ball bearing to tapered roll bearing, use Kit 118628 which includes Input Shaft Bearing 98387, Input Bearing Cover, Cup,
& Oil Seal Assy 111691, Helical Side Gear & Bushing Assy 113331, Pinion Helical Gear 113329, Input Shaft Bearing Spacer Washer 111776, Input
Bearing Cover Shims (all sizes) and RTV Gasket Compound.
Power Divider Upgrade Kit 122475
When you have to replace the Oil Pump Drive Gear, Sliding Clutch Gear, Inter-axle Diff. or Input Shaft, Spicer recommends use of this upgrade Kit. Kit
contains, 119946 Oil Pump Drive Gear, 119948 Sliding Clutch Gear, 121681 Inter-axle Diff. Assy, 122418 Input Shaft with Nut, Input Shaft Shims (all
sizes) and Sealant. A new Yoke Assembly is required (1710-126581; 1760-126583, or 1810-126585). If you are replacing a unit equipped with input
shaft ball bearings, you will also need 98387 Bearing, 111691 Cover Cup & Seal Assy, 113331 Helical Gear Assy and 113329 Pinion Helical Gear.