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.

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

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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