Eldon (WA)
Well-known Member
Is this a common engine? How does it compare to the 4.5L for longevity?
- Thread starter Eldon (WA)
- Start date
Tx Jim
Well-known Member
- Location
- Coyote Flats, Texas
3.9L is basically the same engine as 4.5 just less 1 cylinder and has no balancer shafts as balancer shafts aren't required on 3 cyl engine.
3.9 is a four-cylinder engine last I checked. 60 cubic inches per cylinder. Three-cylinder is 152, 164, or 179 cubic inches. 2.5, 2.7, or 2.9 inches. As to the four-
cylinder engines - some have balancing shafts, and some were made with them left out. When Deere first made the 210C backhoe-loader with the 3.9 liter (4-239D) - it came
with no balancing shafts. Later, due to vibration problems at low RPMs, they were added.
cylinder engines - some have balancing shafts, and some were made with them left out. When Deere first made the 210C backhoe-loader with the 3.9 liter (4-239D) - it came
with no balancing shafts. Later, due to vibration problems at low RPMs, they were added.
Tx Jim
Well-known Member
- Location
- Coyote Flats, Texas
JDEM
Thanks for correcting my mistake. Oldtimers is acting up again!
Jim
Eldon (WA)
Well-known Member
I see it is the same bore, but a shorter stroke....I wonder if it has less lugging power than the 4.5?
Oldtimers or not - it is this metric liters-stuff that drives me nuts. I will never get used to it. In my world, engines come in cubic inches. With Dubuque Deere
engines - like 115, 135,152, 164, 179, 202, 219, 239, etc.
First time I ever saw a metric designation was on my 1965 Pontiac GTO. Had a 389 but it was in liters on the fender. 6 point something. I guess GM did it just to be
cool. I grew up with inches, feet, MPH, MPG, cubic inches, and PSI. I'd really like to keep it that way. I just got a new injector tester and the d*man thing is in kPa
instead of PSI!
engines - like 115, 135,152, 164, 179, 202, 219, 239, etc.
First time I ever saw a metric designation was on my 1965 Pontiac GTO. Had a 389 but it was in liters on the fender. 6 point something. I guess GM did it just to be
cool. I grew up with inches, feet, MPH, MPG, cubic inches, and PSI. I'd really like to keep it that way. I just got a new injector tester and the d*man thing is in kPa
instead of PSI!
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