MF - Engine Kits Perkins: A4-203 / AD4-203 DIESEL engines
Engine Kits and Components
MF tractors with Perkins: A4-203 / AD4-203 DIESEL engines

Now available with a NEW CRANKSHAFT for little more than a basic regrind for most applications
3 KIT LEVELS
"EK" - FOR IN-FRAME REPAIR. Includes - Pistons, Wrist Pin Bushes, Piston Rings, Liners, Con Rod Bearings, Con Rod Lock Nuts (where fitted), Top & Bottom Gasket Sets.

"EKM" - FOR OUT OF FRAME REBUILD. Includes ALL of the above PLUS - Main Bearings (you specify under-size required at NO EXTRA COST), Thrust Washers, Front & Rear Seals.

"EKMC" - same as EKM but INCLUDING A NEW CRANKSHAFT
IMPORTANT
To reduce your Inventory levels, Bare-Co lists VALVE TRAIN KITS separately below the Engine Kit Part Numbers. Valve Train Kits will fit a range of different engine kits.
The Bare-Co QUALITY DIFFERENCE
Semi-finished liners are a no-charge option for most models.
Viton Rear Seals are supplied for most applications
No extra for under-size bearings
The EKMC Kit allows for INSTANT ASSEMBLY with a NEW CRANKSHAFT and Standard Bearings straight out of the box.
New Injector Kits at Repair Prices
APPLICATION
ENGINE
KIT
PISTON/ LINER
(1 Cyl)
RING SET
(1 Cyl)
PISTON
LINER
FINISHED
LINER SEMI
FINISH
A4-203 engine
Regular (INDIRECT) Injection
CHROME LINERS
ie. 0.040" deep Liner Flange
Identify by: Vertical Injectors
Flat Top Pistons
3.6" Bore
MF65
Up to engine no. 2820092

EK106
EKM106
EKMC106

Valve Train Kit
VK16
B2631
B2633
=41158058
745819M91
Fit chrome bore
B6145
=81512
734460M91
B7540
=31358308
732638M1
N/A
A4-203 engine
Regular (INDIRECT) Injection
CAST LINERS
ie. 0.150" deep Liner Flange
Identify by: Vertical Injectors
Flat Top Pistons
3.6" Bore
MF65
From engine no. 2820093

EK107
EKM107
EKMC107

Valve Train Kit
VK16
B2619
=836325M91
41158057
745818M91
B7541
=31358345
739043M1
B7550
=31358323
734197M1

B8550
.030" O/SIZE
AD4-203 engine
DIRECT INJECTION
CHROME LINERS
ie. 0.040" deep Liner Flange
Identify by: Inclined Injectors
Bowl Top Pistons
3.6" Bore
MF65
From engine no. 2939035

EK12
EKM12
EKMC12

Valve Train Kit
VK17
New Injector Kit
IJK2


B2632
B2633
=41158058
745819M91
Fit chrome bore
B6146
=68332
743824M91
B7540
=31358308
732638M1
N/A
AD4-203 engine
DIRECT INJECTION
CAST LINERS
ie. 0.150" deep Liner Flange
Identify by: Inclined Injectors
ROPE TYPE REAR SEAL
MF65
 From engine no. 2939036
MF165
Up to engine no. 203UA109488

EK13
EKM13
EKMC13

Valve Train Kit
VK17
New Injector Kit
IJK2
B2146
B2619
=41158057
745818M91
B7541
=31358345
739043M1
B7550
=31358323
734197M1

 

B8550
.030" O/SIZE
AD4-203 engine
DIRECT INJECTION
CAST LINERS
ie. 0.150" deep Liner Flange
Identify by: Inclined Injectors
LIP TYPE REAR SEAL
MF165
From engine no. 203UA109488L
MF255 with AD4-203 engine
ie. UA203 engine no.

EK13
EKM13
EKMC1310

Valve Train Kit
VK17
New Injector Kit
IJK2
Engine Kits and Components
NOTE: Parts shown are BARE-Co parts - original part numbers are shown for reference only.