# TCDS ATC 73 Milwaukee: Milwaukee Parts Corporation

- Type: Type certificate data sheet
- Status: Current
- Holder: Milwaukee Parts Corporation
- Revision: 0
- Product: Engine
- Data sheet PDF: https://openairdocs.org/files/sha256/e9/e4/e9e42160e39713c4859b261a29b6ef22986410cd398e6fb94e2547b976aa943f
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/C7A7FBCCA6F243A1862572C0006F83E3.0001
- Page: https://openairdocs.org/tcds/ATC%2073%20Milwaukee

## Models (1)

As the data sheet lists them.

- Tank V-502

## What the data sheet says

From the PDF's text layer, line by line; tables lose their columns. The PDF is the record.

```text
MILWAUKEE PARTS CORPORATION
MODELS:  Milwaukee Parts Tank V502
T.C. NUMBER:   ATC 73
Model Tank V502
Type 8VA
Rating:
    Maximum continuous, hp,
   rpm, at S.L. pressure altitude 115-1650-S.L.
   Take-off (one minute), hp,
   rpm, at full throttle 115-1650
Fuel (minimum octane
   aviation gasoline) 70
Bore and stroke, in. 4.0 x 5.0
Displacement, cu. in. 502.7
Compression ratio 5.2: 1
Weight (dry), lbs. 398
Carburetion Zenith 06D dual carburetor
Ignition, dual Berling and Bosch GF8AL magnetos
Certification basis Approved Type Certificate No. 73
NOTE 1.    Eligible with the Fred M. Roberts, Jr., dual battery ignition unit manufactured by the
   Roberts Manufacturing Company of Bismarck, North Dakota.
NOTE 2.    Approval expired 10/24/41.  No engines of this model manufactured after this date or
   with serial numbers above 584 eligible for use in certificated aircraft.
```

## ADs

None name its models.

## Registered aircraft by registry model (OpenAirDocs)

- [Milw Parts TANK V502](https://openairdocs.org/engine/milw-parts-tank-v502): 0 aircraft (registry code 44002)

## STCs approved under this data sheet (1)

- [STC SE04651CH](https://openairdocs.org/stc/SE04651CH): To allow use of l00R grade aviation fuel meeting Swift Fuel, LLC specification SPEC-l00R-22. Swift Fuels LLC

## PMA parts (OpenAirDocs) (1)

Current parts manufacturer approvals (PMA): parts the FAA has approved companies to make as replacements or modifications. Each record lists its models as free text; OpenAirDocs matched them to this data sheet's models, so check the FAA record before relying on it. Newest first.

- [No part number](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID123413423120260722204352.0001): Swift Fuels, LLC · PMA PQ04423CE · For Tank V-502 · Jul 17, 2026

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