Engine swap on cub Cadet

azmntman

Member
Joined
Sep 13, 2020
Threads
3
Messages
11
Hello new to site and have a ?
Can a 25 hp Kohler be put into a cub cadet 1042 that originally had a 19 hp engine?
Without too much trouble?
Thanks much.
 

azmntman

Member
Joined
Sep 13, 2020
Threads
3
Messages
11
Hello new to site and have a ?
Can a 25 hp Kohler be put into a cub cadet 1042 that originally had a 19 hp sv600 engine?
Without too much trouble?
Thanks much.
 

Scrubcadet10

Moderator
Staff member
Joined
Sep 24, 2017
Threads
250
Messages
6,441
The main things to consider when swapping engines are:
Crankshaft Length and Diameter,
Mounting bolt configuration (mostly standard)
Electrical wiring to the mower's system (Engine provides charging for the battery, etc.)

What's the model number of the 25 HP kohler?
 

bertsmobile1

Lawn Royalty
Joined
Nov 29, 2014
Threads
64
Messages
24,705
Only if they have the same PTO shaft diameter & length.
After that you have the muffler problem.
They are part of the mower not the engine so you may have to get a bespoke one made.
 

keakar

Well-Known Member
Joined
Apr 28, 2020
Threads
15
Messages
277
Only if they have the same PTO shaft diameter & length.
After that you have the muffler problem.
They are part of the mower not the engine so you may have to get a bespoke one made.
this ^^^^

i find with 24hp engines they can have either sized shaft (1"x 3" or 1 1/8"x 4") but often anything above 24 hp has a larger and longer crankshaft output shaft.
 

azmntman

Member
Joined
Sep 13, 2020
Threads
3
Messages
11
Thanks for all the info.
Motor is now gone.
Going to get rid of my cadet.
 

ChrisBFRPKY

Active Member
Joined
Sep 24, 2020
Threads
0
Messages
50
Ah, another Kohler Courage story. Were you injured when it blew or did it just crack the block?
You can install a kohler command engine as long as you salvage the muffler from the donor tractor. A Briggs intek will also bolt up and the wiring is also exactly the same. I installed a 16.5 Briggs on mine and it was an easy swap also plug and play. Super little mower now and seems to have more power than the 20hp Courage it replaced. Remember to nab that muffler from the donor. Most donors will have the correct 1" shaft you need. I thought about doing a twin cyl Briggs on mine but I already had a few good single engines to choose from.
 

M hopper

Member
Joined
Oct 1, 2020
Threads
3
Messages
10
:mad:my john deere lt166 48c vtwin is spraying fuel out of air intake but no fuel coming out from overflow outlet. I just rebuilt the carb but still symptomatic. Could it be a valve issue ?? Call me crazy but the air intake sucks air in how is it blowing fual out ? O ya engine is a Briggs vanguard 16 hp v twin #303777 type 1147 e1 code 99041311 old! Thanks
 

StarTech

Lawn Royalty
Top Poster Of Month
Joined
Feb 19, 2020
Threads
79
Messages
10,273
If the exhaust lobe is badly worn or valve adjustment is wrong, it can do this.
 

M hopper

Member
Joined
Oct 1, 2020
Threads
3
Messages
10
First of all thanks for your a answer. Do you have any suggestions as how to verify if this is the case.
 
Top