Technical Specifications
NOTE: Parts shown are BARE-Co parts - original part numbers are shown for reference only.
Tractor
Model
Main
Journal
Size
Conrod
Journal
Size
Torque Settings
Tappet Clearances
Head
Mains
Conrod
Inlet
Exhaust

9N, 2N, 8N

2.248"

2.249"
2.0935"

2.0945"
Nuts
65 ft/lb

70 ft/lb

Studs
50 ft/lb

55 ft/lb
90 ft/lb

100 ft/lb 

35 ft/lb

40 ft/lb

Lock Nut
4 ft/lb

5 ft/lb

.010"

.012"
.014"

.016"

Gas Models
501, 600, 601, 700, 701, 800, 801,
900, 901, 1801, 2000, 4000,

2.4974"

2.4988"
2.2978"

2.2988"
65 ft/lb

70 ft/lb
95 ft/lb

105 ft/lb 
45 ft/lb

50 ft/lb

Lock Nut
3 ft/lb

4 ft/lb
.015"
.015"

4 Cylinder Diesel Models
501, 600, 601, 700, 701, 800, 801,
900, 901, 1801, 2000, 4000,

2.4974"

2.4988"
2.2978"

2.2988"
100 ft/lb

105 ft/lb
110 ft/lb

115 ft/lb 
45 ft/lb

50 ft/lb

Lock Nut
3 ft/lb

4 ft/lb
.015"
.015"

Dexta Diesel
Perkins
3-144 eng
3.5" bore

Super Dexta
Perkins
A3-152 eng
3.6" bore
2.748"

2.749"
2.248"

2.249"
60 ft/lb
110 ft/lb

120 ft/lb
Black
phosphate
nuts
=60 ft/lb

Bright
nuts
=45 ft/lb

Nyloc Nuts
=70 ft/lb
.012"
.012"

Major
Power Major
Super Major
Diesel
3.000"

3.001"
2.499"

2.500"
85 ft/lb

90 ft/lb
1/2" bolt
70 ft/lb

75 ft/lb
9/16" bolt
95 ft/lb

100 ft/lb
5/8" bolt
115 ft/lb

120 ft/lb
55 ft/lb

60 ft/lb
.015"
.015"

2000 (3cyl), 2310, 2600, 2610
3000, 3430, 3600, 3610
3900, 3930, 4000 (3cyl), 4100
4110, 4130, 4600, 4610
4630, 5000, 5600, 5610
6600, 6610, 6700, 6710
7000, 7600, 7610, 7710
7810, 7910, 8000, 8210
8630, 8700, 8730, 8830
TW5, TW10, TW15
TW20, TW25, TW30, TW35
3.371"

3.372"
2.749"

2.750"
110 ft/lb
6 cyl
engines with
9/16" bolts
=
160 ft/lb
115 ft/lb

125 ft/lb
60 ft/lb

65 ft/lb
.014"

.016"
.017"

.019"
Technical Specifications