The Gardner Denver TGH is a 400 HP mud pump with an 8 in stroke and a 175 SPM rated speed, factory-rated to 10000 PSI maximum working pressure. Its frame, eccentric shaft and connecting rod are precision-cast in high-specification nodular iron, whose spherical graphite structure damps vibration under reciprocating loads and gives a higher strength-to-weight ratio — roughly 25% lighter than a welded steel structure of equal strength. DLSY stocks 270 TGH items, including bearings, gears, oil seals, drive belts, sheaves and covers, exported under HS code 84139100.
FAQ
What replacement parts does DLSY stock for the Gardner Denver TGH?
We stock 270 distinct TGH items, including ball and roller bearings, driver gears (for example the 5.73 to 1 ratio gear), oil seals, inner bearing retainer plates, jackshaft sheave assemblies, pump drive belts, puller plates and hoods.
What are the factory ratings of the Gardner Denver TGH?
Per the factory data: rated input power 400 HP, stroke length 8 in, rated speed 175 SPM, and a maximum working pressure of 10000 PSI. The 4 in (102 mm) and 114 mm liners reach the full 10000 PSI; the 5 in liner rows top out at 4000 PSI.
Why does the TGH use a nodular iron power end?
The frame, eccentric shaft and connecting rod are precision-cast in high-specification nodular iron. Its spherical graphite microstructure absorbs vibration far better than steel under high-frequency reciprocating loads, protecting gears and bearings, while precision casting reinforces key stress points and keeps weight roughly 25% below a welded steel structure of the same strength.
How do I order the correct TGH gear or bearing?
Send us the part number from your pump's parts book — for example the gear ratio marking or the oil seal reference — and we will match it against our 270 stocked TGH line items before shipment.
Does DLSY ship Gardner Denver TGH parts internationally?
Yes. We export to Canada, the United States and other international oil & gas markets. TGH parts are classified under HS code 84139100 and travel with full export documentation.