Professional Series Features
There are many imitations but only one original Bartell gearbox. Our combination of design, precision, machining and premium materials make the difference. The extra heavy duty, high tensile strength steel shafting, SAE grade bronze worm gear, precision ground hardened steel worm, tapered roller thrust bearings and precision single row ball bearing support the load while keeping everything aligned in a heat treated cast alloy aluminum casing.
The Spiderplate Assembly
Balance is the hallmark of a Bartell Power Trowel. Long wearing cast iron, precision machined using our special techniques provides the ability to achieve extremely close fits between the trowel arm and bore of the spiderplate, a fit that is virtually unattainable with the use of inserts. A taper fit with the gearbox shaft ensures a snug match that keeps everything running true. An adjustment bolt near the end of the trowel arm allows for emergency on-the-job realignment of a trowel blade. For routine maintenance we offer a trowel arm adjustment jig for calibrating the height of the round head bolt on the lift lever arm.