Holdren Machine & Repair

Holdren Machine & Repair Engine Machine work for heavy diesel's, ag diesel's, over the road diesel's, antique tractor pulling, and general job shop cnc machine work.

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We are no longer servicing any automotive engines. Now offering on site in frame diesel block repair - will travel!

*Services offered include

Diesel Block Repair
-Cylinder block and head resufacing
-Counter bore cutting (on site - In frame)
-Lower bore repair (on site - In frame)

General Machining
-Cylinder boring and honing
-Valve Jobs
-Surfacing blocks, heads, ect.

-Connecting rod rebuilding
-Magna-fluxing(crack detection)
-Flywheel grinding
-General lathe and mill work
-Cnc milling (short run or one off parts)

Give us a call or stop in to discuss your machining needs!

Billet John Deere water adapter platesUse a -20an orb fitting to adapt to the type and size of hose you prefer to useThe...
10/22/2024

Billet John Deere water adapter plates

Use a -20an orb fitting to adapt to the type and size of hose you prefer to use
The uppers have a 1/2-ntp port for a water temp probe

Styled G - Model 70 gas upper and lowers (lowers also fit 70-730D)

1940 A - 630 uppers, 1940 A - Model 60 lowers

1941 B - Model 50 lowers

1939-1946 A starter cover breather adapters -20 (for breather or crankcase evap)

Included is:
Billet water plate
polished stainless button head bolts and washers

-20an adapter is sold separately through Summit, Jegs, Amazon, ect.
(Ex. Meziere PN: WN0031B for a -20 to 1 1/4 hose barb)

Pricing is
Uppers 175$ + Shipping
Lowers 150$ + Shipping
Starter cover plate 75$ + Shipping

In stock and ready to ship
605-446-3251

John Deere A-630 and G-730 Gas Adjustable cam gears back in stock. 10° of adjustment either way of center.500$ plus ship...
12/04/2023

John Deere A-630 and G-730 Gas Adjustable cam gears back in stock.
10° of adjustment either way of center.
500$ plus shipping with a good core
Or
600$ plus shipping without a core
605-446-3251

John Deere G, up to 1946 A and B extended billet aluminum throttle levers. Adjustable 0-60° in 15° increments. Comes wit...
01/12/2022

John Deere G, up to 1946 A and B extended billet aluminum throttle levers. Adjustable 0-60° in 15° increments. Comes with stainless hardware. 300$ ea plus shipping

John Deere adjustable cam gears. G-730G A-630 and B-530. Adjustable 10° either way of center. 400$ with a good usable co...
10/22/2021

John Deere adjustable cam gears. G-730G A-630 and B-530. Adjustable 10° either way of center. 400$ with a good usable core or 500$ without a core. In stock and ready to ship

John Deere water adapter plates. O ring in the fl**ge, so no gaskets or silicone. They all take a -20an o ring fitting (...
05/06/2021

John Deere water adapter plates. O ring in the fl**ge, so no gaskets or silicone. They all take a -20an o ring fitting (Ex. Meziere PN: WN0031B for a -20 to 1 1/4 hose barb) to adapt to the size or type of hose you prefer to use. The uppers also have a 1/2ntp port for a water temp probe or sensor. I am offering 3 sizes currently G - Model 70 gas upper and lowers (lowers also fit 70-730D), 1940 A - 630 uppers, 1940 A - Model 60 lowers, and 1941 B - Model 50 lowers.

Included is - The water plate, fl**ge o-ring, polished stainless button head bolts and washers.

-20an adapter is sold separately through Summit, Jegs, Amazon, ect.

Pricing is
Uppers 175$ + Shipping
Lowers 150$ + Shipping

I currently have:
G-70 lowers: 7
G-70 uppers: 7
A-60 lowers: 8
A-630 uppers: 8
B-50 lowers: 4
In stock and ready to ship

03/07/2021

Boring carburetor's last week with the

New governor arm shafts for john deere G's A's and B's!          @ Holdren Machine & Repair
10/09/2020

New governor arm shafts for john deere G's A's and B's! @ Holdren Machine & Repair

John Deere adjustable timing gear. We make them for A's G's and B's. Adjustable 10° either way of center.
08/22/2020

John Deere adjustable timing gear. We make them for A's G's and B's. Adjustable 10° either way of center.

Address

305 S Sherman Avenue
Colton, SD
57018

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Opening Hours

Monday 8am - 5:30pm
Tuesday 8am - 5:30pm
Wednesday 8am - 5:30pm
Thursday 8am - 5:30pm
Friday 8am - 5:30pm

Telephone

+16054463251

Website

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