



Introduction
Ingersoll Rand 47553882001 and 39454558 address complementary requirements within gearbox and drivetrain maintenance. The 47553882001 kit is associated with gearbox service for applicable R90–R160 and R90–R160i compressor configurations, while 39454558 provides the sealing interface between the motor and gearcase.
The motor-to-gearcase gasket is an important part of the drivetrain assembly because the motor and gearcase form a mechanically connected unit that must maintain a reliable sealed interface. In applicable parts documentation, 39454558 is shown directly between the motor and gearcase, alongside other drivetrain components such as the shaft seal, shaft sleeve, and gearcase.
During gearbox maintenance, separating the motor from the gearcase can disturb the existing gasket. Installing a new, correctly matched gasket during reassembly provides a fresh sealing interface and supports a cleaner, more reliable service result. For industrial compressor users, this small but essential component can contribute to better drivetrain integrity and more predictable maintenance outcomes.
Technical Specifications
| Specification | Details |
|---|
| Brand | Ingersoll Rand |
| Gearbox Maintenance Kit | 47553882001 |
| Gasket Part Number | 39454558 |
| Product Type | Gearbox Maintenance Kit and Motor-to-Gearcase Gasket |
| 47553882001 Application | Gearbox Maintenance |
| Associated Compressor Range | R90–R160 / R90–R160i |
| 39454558 Component Type | Motor-to-Gearcase Gasket |
| Gasket Application | Motor to Gearcase |
| Primary Assembly | Compressor Drivetrain |
| Sealing Function | Motor-to-Gearcase Interface |
| Related Components | Gearcase, Shaft Seal, Shaft Sleeve, Seal Housing and Fasteners |
| Main Function | Gearbox Service and Drivetrain Sealing |
| Dimensions | Not specified in the available product data |
| Weight | 2.85 lb / approximately 1.29 kg |
Recommended Companion Models
| Model | Product Name |
| 89292460 | Motor Shaft Sleeve |
| 89292445 | High-Pressure Shaft Seal |
| 39454566 | Seal Housing Gasket |
| 39194915 | Gearcase-to-Motor Dowel Pin |
Frequently Selected Alternatives
| Model | Product Name |
| 35258573 | Motor-to-Gearcase Gasket for 360 Frame Motors |
| 39404066 | Seal Housing Gasket for 360 Frame Motors |
| 39403803 | Seal Housing for 400 Frame Motors |
| 93153864 | Seal Housing for 75/90/110 kW Configuration |
Technical FAQs
1. What is Ingersoll Rand 47553882001 used for?
47553882001 is a gearbox maintenance kit associated with applicable Ingersoll Rand R90–R160 and R90–R160i rotary screw compressor configurations.
2. What is Ingersoll Rand 39454558?
39454558 is a gasket used between the motor and gearcase in applicable Ingersoll Rand gear-driven rotary screw compressor assemblies.
3. What is the function of the motor-to-gearcase gasket?
The gasket seals the mating surfaces between the motor and gearcase, helping prevent lubricant leakage and maintaining the integrity of the drivetrain enclosure.
4. When should 39454558 be replaced?
It should generally be replaced when the motor and gearcase are separated for applicable service, particularly if the existing gasket is compressed, damaged, contaminated, or otherwise unsuitable for reuse.
5. Is 39454558 used with every Ingersoll Rand compressor gearbox?
No. The gasket is configuration-specific. Applicable parts documentation identifies 39454558 for particular motor and gearcase arrangements, so the compressor model and motor configuration should be verified before ordering.
6. What other components are located around 39454558 in the drivetrain assembly?
Depending on the compressor configuration, the drivetrain assembly can include the gearcase, shaft seal, shaft sleeve, seal housing, dowel pins, retaining components, and associated fasteners.
7. Can an old motor-to-gearcase gasket be reused?
Reuse is generally not recommended when the gasket has been compressed or disturbed during disassembly because its sealing performance may no longer meet the required assembly condition.
8. Why is correct gasket positioning important during installation?
Incorrect positioning can create an uneven sealing interface, potentially causing leakage or interference with adjacent drivetrain components. The gasket should be installed according to the applicable service procedure.
9. What should be inspected before installing 39454558?
The motor and gearcase mating surfaces should be clean and free from damage, debris, old gasket material, and other conditions that could prevent proper sealing.
10. How should compatibility of 39454558 be confirmed?
Compatibility should be checked against the compressor model, serial number, motor frame or power configuration, and applicable drivetrain parts documentation before installation.