Bull gears and pinion shaft

TianyuMfg manufactures standard bull gears and pinion shaft set 100% compatible with pumps including TWS600S/ QWS1000 /TWS2250/QWS2500.

TianyuMfg manufactures bull gear set with precise machining from one-piece forged, well heat-treated alloy steel for maximum service life. The forged teeth provide great tooth durability.

The pinion shaft is made of forged, well heat-treated alloy steel with helical gears accurately machined to AGMA quality 10 specifications. In addition, the gear teeth are treated with surface hardening to BHN360, providing you with remarkable durability.

TianyuMfg manufactures gears and pinion shaft 100% interchangeable with the below manufacturer/OEM parts

Weir SPM TWS600/TWS600S: Bull gears+ Pinion shaft- short (2P103273 )
Weir SPM TWS2250: Gears (No. 2P111851 and No. 2P111852) + Shaft ( No. 2P113242 on the splines)
Weir SPM QWS1000
Weir SPM QWS2500/ QWS2500XL: Gears (No. 2P111851 and No. 2P111852) + Shaft ( No. 2P107673 KEYED)
Other pinion options: 2P101298 (Splined), 2p101303(Keyed), 2P109052 (Splined)

TianyuMfg is also manufacturing custom-tailored gears and shaft for customers’ own pump design, Pls contact TianyuMfg for other configurations.

Note: Manufacturers’ names or trademarks used on this website are for identification purposes only. TianyuMfg is not affiliated with these companies.

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Bull gears and pinion shaft