Ingersoll Rand ST950CP03R25 turbine air starter – ST900, 50% arc, SAE 3 flange, 11T pinion DP 6/8, right-hand rotation

Ingersoll Rand ST950CP03R25 is an ST900 series pre-engaged turbine air starter for starting diesel and gas engines in marine, power generation, oil & gas and off-highway applications. Power up to 30 hp (22 kW) and breakaway torque 217 Nm at 6.2 bar.

Standard orientation. The orientation only defines how the starter sits on the engine (inlet, exhaust and drive housing positions). The starter itself is the same as other ST950CP03R25 variants – choose the one that fits your engine installation, or ask us.

  • turbine
  • 50% arc
  • gear ratio C
  • pre-engaged
  • SAE 3 flange
  • 11-tooth pinion, DP 6/8
  • right-hand rotation
Other versions in the ST900 seriesCompare all in a table →
ModelST950 · 50% arcST999 · 99% arc
Gear ratioBC
RotationLeft-handRight-hand
ExhaustElbowStraight (S)
Orientation0I3AStandard
Orientation diagram
Rear view – inlet and exhaustRear view – inlet and exhaust0123Flange view – drive housingFlange view – drive housingABCDEFGHIJKLMNOP

Standard orientation – positions are confirmed at order to suit your engine.

Positions per the Ingersoll Rand installation manual: inlet and exhaust 4 × 90°, drive housing 16 × 22.5°. The drive housing letter shows the position of the control ports (reference hole on inertia models). Always check against your engine installation drawing.

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Price and delivery time on quotation.

Features

Fits engines such as: Waukesha 9390G (SI/L), P9390G (L) (SI); Caterpillar 3524; Dresser-Rand 12TVR, 12TVS, 26KV, 36KV; Superior 2406G, 2408G, 2412G, 2416G and others.

Based on the Ingersoll Rand air starter selection list. Engine manufacturer names are used to describe compatibility only. Before ordering, check the flange, pinion and rotation – send us your engine model and we will help you choose.

Professional tools in Sweden and the Nordics.

How can we help?

Need a quote, technical advice, service or spare parts? Get in touch.