Excavator Air Conditioning Spare Parts

191-9028 12V TM-08B A/C Compressor for Cat 304 305 306 Mini Excavators

Q: What numbers are documented for 191-9028?

Primary Equipment Part Number: 191-9028. Formatted Alias: 1919028. Relationship labels distinguish formatting aliases, direct interchanges, remanufactured references and related assemblies.

Q: How do I confirm 191-9028 before ordering?

Match the complete part number, compare the connector or mounting arrangement with the product photos, and confirm the machine or engine model and serial range. Send clear photos of the original unit when requesting a quote.

191-9028 12V TM-08B A/C Compressor for Cat 304 305 306 Mini Excavators, OEM/reference 191-9028, 12V TM-08B 125mm 2-Groove Compressor, product view 1

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OEM / reference191-9028

Specification12V TM-08B 125mm 2-Groove Compressor

Catalog ID86204068

191-9028 is a Cat refrigerant compressor group used on compact excavators including 304, 305, 305.5, 306 and 306E families. HVAC catalog data identifies a 12V TM-08B compressor with a 125mm two-groove pulley for R134a. Confirm the machine arrangement, connector, pulley and serial.

Voltage: 12 V
Compressor Family: TM-08B
Pulley: 125 mm, 2 grooves
Refrigerant: R134a

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Part-number relationships

Relationship	Reference family	Number
Primary Equipment Part Number	Cat compressor group	191-9028
Formatted Alias	Same number without separator	1919028

Product fitment guide

Part numbers and compatible models

Quickly compare the reference number and recorded machine applications. Use the original photos and the checklist before ordering.

Part identification

Reference numbers

Primary number

191-9028

Formatting alias

1919028

Formatting aliases are the same number written differently. Related assemblies and remanufactured numbers are not presented as direct interchanges.

Product summary

12V TM-08B 125mm 2-Groove Compressor

Category: Excavator Air Conditioning Spare Parts
Catalog ID: 86204068
Photo views: 5

Before ordering

Confirm these details

Match the complete part number on the original component label.
Compare the front layout and visible configuration with the product photos.
Compare connector count, connector shape and keying before installation.
Confirm the exact machine model and serial range before ordering.

Machine fitment

Compatible model references

2 model references

Machines: Cat 304 / 305 / 305.5 / 306 / 306E family
Fitment limitation: Confirm arrangement, connector, pulley and serial

Compatibility lists identify searchable model families, not every production serial range. Confirm the original part number and machine serial number before purchase.

Quick fitment answers

Common questions about 191-9028

Which machines use 191-9028?

Recorded compatible model references include Machines: Cat 304 / 305 / 305.5 / 306 / 306E family, Fitment limitation: Confirm arrangement, connector, pulley and serial. Confirm the complete part number and machine serial range before ordering.

What numbers are documented for 191-9028?

Formatting aliases for the same number: 1919028.

How do I confirm 191-9028 before ordering?

Match the complete part number on the original component label. Compare the front layout and visible configuration with the product photos. Compare connector count, connector shape and keying before installation. Send clear photos of the original unit and connector layout when requesting a quote.

Continue comparing verified references from the same system.

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