Media Summary: Pumpjacks, etc., in Midland, Texas, and online at pumpjacks.mobi has Lufkin Mark II and Conventional oilwell 1950s Emsco Pumping Unit Running in West Duncan Oilfield, Stephens County Oklahoma weights and base are national... however gearbox and Sampson post say

Emsco 228 Pumping Unit - Detailed Analysis & Overview

Pumpjacks, etc., in Midland, Texas, and online at pumpjacks.mobi has Lufkin Mark II and Conventional oilwell 1950s Emsco Pumping Unit Running in West Duncan Oilfield, Stephens County Oklahoma weights and base are national... however gearbox and Sampson post say

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Emsco 228 Pumping Unit
EMSCO 228 with slipping belts
Emsco 228 Unit pumping @14 strokes per minute
API Size 228 Pumpjacks and Pumping Units
American 228 pumping unit
Lufkin 228 pumping unit with a Fairbanks engine
Lufkin 228 pumping unit
Bethlehem 228 pumping unit on a Bowden Oklahoma Wilcox oil well.
Emsco Pumping Unit
1950s Emsco Pumping Unit Running in West Duncan Oilfield, Stephens County Oklahoma
Lufkin 228 pumping unit with a arrow c-96
EMSCO 190 pumping unit
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Emsco 228 Pumping Unit

Emsco 228 Pumping Unit

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EMSCO 228 with slipping belts

EMSCO 228 with slipping belts

Pumping unit

Sponsored
Emsco 228 Unit pumping @14 strokes per minute

Emsco 228 Unit pumping @14 strokes per minute

Oil well in Long Beach, CA.

API Size 228 Pumpjacks and Pumping Units

API Size 228 Pumpjacks and Pumping Units

Pumpjacks, etc., in Midland, Texas, and online at pumpjacks.mobi has Lufkin Mark II and Conventional oilwell

American 228 pumping unit

American 228 pumping unit

American 228 pumping unit

Sponsored
Lufkin 228 pumping unit with a Fairbanks engine

Lufkin 228 pumping unit with a Fairbanks engine

I believe it's a 503. Enjoy!

Lufkin 228 pumping unit

Lufkin 228 pumping unit

75" stroke @ 11.8 spm.

Bethlehem 228 pumping unit on a Bowden Oklahoma Wilcox oil well.

Bethlehem 228 pumping unit on a Bowden Oklahoma Wilcox oil well.

Bethlehem

Emsco Pumping Unit

Emsco Pumping Unit

Emsco pumping unit

1950s Emsco Pumping Unit Running in West Duncan Oilfield, Stephens County Oklahoma

1950s Emsco Pumping Unit Running in West Duncan Oilfield, Stephens County Oklahoma

1950s Emsco Pumping Unit Running in West Duncan Oilfield, Stephens County Oklahoma

Lufkin 228 pumping unit with a arrow c-96

Lufkin 228 pumping unit with a arrow c-96

Approx 76" stroke @6.5 spm.

EMSCO 190 pumping unit

EMSCO 190 pumping unit

weights and base are national... however gearbox and Sampson post say

EMSCO Pumpjack

EMSCO Pumpjack

EMSCO Pumpjack