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1989-1993 1st Gen Dodge 5.9L 12V Cummins
89-93 Powertrain
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May's Cummins of the Month
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New Powertrain Posting Rules
tryNto
Apr 20, 2022
Locked
0
2K
Apr 20, 2022
by
tryNto
Sticky
Link to 1st Gen Tech articles
9297oldram
Apr 24, 2021
Locked
0
5K
Apr 24, 2021
by
9297oldram
C
Help please 1993 dodge w250
Cdufour
20 h ago
6
109
13 h ago
by
Blackduck59
J
Oil leak at fuel pump
JFran12v
1 d ago
1
102
1 d ago
by
9297oldram
Dana 70 Power-Loc issues?
thrashingcows
3 d ago
6
152
2 d ago
by
sdeeter19555
Cummins 1st gen hard start
Shey lara
Mar 18, 2021
13
1K
2 d ago
by
Nickfr
Chinese made VE pump.
9poundhammer
7 d ago
10
383
3 d ago
by
thrashingcows
T
Fuel pins, which one?
turnertrucker
4 d ago
4
126
4 d ago
by
9297oldram
Second gen 12 valve work for a first gen transmission?
Winston1stgen
5 d ago
3
186
5 d ago
by
u2slow
Governed at 2000rpm?
92cumminsprobms
9 d ago
3
118
6 d ago
by
sdeeter19555
T
Priming a VE diaphragm lift pump?
TGlow
7 d ago
6
137
6 d ago
by
Rug_Trucker
E
Mystery Clutch/tranny Issues
EngineIsZiptiedToTheFrame
10 d ago
17
515
7 d ago
by
EngineIsZiptiedToTheFrame
My 1st gen has little power and white smokes a little.
Caisen0831
11 d ago
2
146
11 d ago
by
Caisen0831
Purchasing a new engine block, for an 89, worth it to retrofit it with an intercooler?
198912valve
20 d ago
3
240
12 d ago
by
u2slow
Getrag 2WD vs 4WD. Same except tailshaft housing?
CarWhisperer
May 7, 2008
12
17K
13 d ago
by
thrashingcows
H
Transfercase? Or Trans.?
Hellcatcody
17 d ago
3
237
13 d ago
by
Hellcatcody
injector sleeve stuck
the oldmanw350
15 d ago
5
156
14 d ago
by
thrashingcows
R
Nozzle Swapping
Rug_Trucker
15 d ago
9
133
15 d ago
by
Rug_Trucker
89 Cummins with a gen 2 head which thermostat will fit?
198912valve
17 d ago
6
151
17 d ago
by
Blackduck59
B
12v VE pump motor to P pump motor in first gen
Bart_orlowski
21 d ago
6
214
20 d ago
by
DarrellLicht
92 with factory p7100?
Mwce2
29 d ago
14
527
26 d ago
by
DFinOFI
46RH 3-4 upshift flare after rebuild
Sheep Herder
1 mo ago
1
168
26 d ago
by
Sheep Herder
D
Vegetable oil, poor performance, clogged fuel filter & smoking
DogeTruck
May 16, 2022
2
39
3K
27 d ago
by
jkidd
Voltage Regulator
thumper.crockett79
1 mo ago
7
280
27 d ago
by
tobylou8
Plz help
gradydavidson120289
27 d ago
1
171
27 d ago
by
Ruderunner
Coolant compression test
Jesifer
29 d ago
2
140
28 d ago
by
Blackduck59
C
Idaho Injection
codod
29 d ago
1
133
29 d ago
by
9297oldram
Blue smoke
Big_pete_cummins
29 d ago
2
141
29 d ago
by
u2slow
G
'93 Dodge Ram 350
Gregor1
1 mo ago
8
372
30 d ago
by
u2slow
Young dumb and overheated
198912valve
1 mo ago
2
21
684
1 mo ago
by
u2slow
G
Getrag Acting Funky
GlitterOil
1 mo ago
3
226
1 mo ago
by
u2slow
1990 w350 front shaft front u-joint help
Saintly
1 mo ago
5
264
1 mo ago
by
Saintly
HX35 on stock injectors?
bseries_simp
1 mo ago
6
356
1 mo ago
by
bseries_simp
Non IC engine with IC head, injectors, and pistons?
198912valve
1 mo ago
3
240
1 mo ago
by
Wombat Ranger
Intercooled vs non intercooled
CumminsSquarebody
Jan 26, 2021
19
3K
1 mo ago
by
u2slow
Are the heads interchangeable?
198912valve
1 mo ago
Redirect
–
–
N/A
won't start after gov spring/fuel pin install
1stgencaddy
May 4, 2013
2
3
43
26K
1 mo ago
by
Grissim
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89-93 Powertrain
Discussion on what directly makes the truck move: Engine, Transmission, Driveshaft, Differentials and Axles
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EngineIsZiptiedToTheFrame
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