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Condition: Used
Stock Number: 49603
Serial Number: 1M2P195C7LM007197
Description: MACK EM6-250L ENGINE, 250HP - S/N: OB1084
Updated: Tuesday, May 26, 2026 07:24 AM
Location: Crandall, Texas
Seller: Tim Jordan's Truck Parts, Inc
Condition: Used
Stock Number: 1281-1211194 - SN:0E
Serial Number: 1281-1211194 - SN:0E1339
Description: USED EM6-350 HP MACK 4 VALVE MECHANICAL PUMP ENGINE, 1.990, COMPLETE, INSPECTED AND TESTED RUNNING ENGINE, ALSO MANY ENGINES IN STOCK.
Updated: Thursday, March 19, 2026 10:55 AM
Location: Miami, Florida
Seller: 4 Trucks Enterprises LLC
Condition: Used
Stock Number: 1311-1212197 - SN:9B
Serial Number: 1311-1212197 - SN:9B0789
Description: USED EM6-300L MACK 4 VALVE MECHANICAL PUMP ENGINE,1.989,COMPLETE, INSPECTED AND TESTED RUNNING ENGINE, ALSO MANY ENGINES IN STOCK.
Updated: Thursday, March 19, 2026 10:55 AM
Location: Miami, Florida
Seller: 4 Trucks Enterprises LLC
Condition: Used
Stock Number: 3153-0918201 - SN:8U0924
Serial Number: 3153-0918201 - SN:8U0924
Description: USED EM6-275L 4 VALVES MECHANICAL FUEL PUMP MACK ENGINE, 1.988 TRUCK, COMPLETE, INSPECTED AND TESTED RUNNING ENGINE, ALSO MANY ENGINES IN STOCK.
Updated: Thursday, March 19, 2026 10:55 AM
Location: Miami, Florida
Seller: 4 Trucks Enterprises LLC
Condition: Used
Stock Number: 3150-0917202 - SN:7G0742
Serial Number: 3150-0917202 - SN:7G0742
Description: USED EM6-300 4 VALVES MECHANICAL FUEL PUMP MACK ENGINE, 1.988 TRUCK,COMPLETE, INSPECTED AND TESTED RUNNING ENGINE, ALSO MANY ENGINES IN STOCK.
Updated: Thursday, March 19, 2026 10:55 AM
Location: Miami, Florida
Seller: 4 Trucks Enterprises LLC
Condition: Used
Stock Number: 1305-1212191 - SN:EM
Serial Number: 1305-1212191 - SN:EM6-237-1D6918
Description: USED EM6-237 MACK ENGINE WITH 237 HP, 2 VALVE, COMPLETE, 1.988,INSPECTED AND TESTED RUNNING ENGINE, ALSO MANY ENGINES IN STOCK.
Updated: Thursday, March 19, 2026 10:55 AM
Location: Miami, Florida
Seller: 4 Trucks Enterprises LLC
Condition: Used
Stock Number: 1192-1129197 - SN:8U
Serial Number: 1192-1129197 - SN:8U1332
Description: USED EM6-275 MACK 4 VALVE ENGINE, JAKE BRAKE(ENGINE BRAKE), 275 HP, 1.988,COMPLETE, INSPECTED AND TESTED RUNNING ENGINE, ALSO MANY ENGINES IN STOCK.
Updated: Thursday, March 19, 2026 10:55 AM
Location: Miami, Florida
Seller: 4 Trucks Enterprises LLC
Condition: Used
Stock Number: 726-1003195 - SN:7G1
Serial Number: 726-1003195 - SN:7G1611
Description: USED EM6-300L MACK 4 VALVE MECHANICAL ENGINE , COMPLETE,INSPECTED AND TESTED RUNNING ENGINE, ALSO MANY ENGINES IN STOCK. - FOR PRICE AND SHIPPING C...
Updated: Thursday, March 19, 2026 10:55 AM
Location: Miami, Florida
Seller: 4 Trucks Enterprises LLC
Condition: Used
Stock Number: 576-0916194 - SN:7T1
Serial Number: 576-0916194 - SN:7T1062
Description: 1987 MACK EM6 ENGINE 275 HP
USED EM6 4VALVE MECHANICAL MACK ENGINE, COMPLETE,INSPECTED AND RUNNING ENGINE.ALSO MANY ENGINES IN STOCK.
Updated: Thursday, March 19, 2026 10:55 AM
Location: Miami, Florida
Seller: 4 Trucks Enterprises LLC
Condition: Used
Stock Number: 1175-1127198 - SN:6E
Serial Number: 1175-1127198 - SN:6E0810
Description: USED EM6-237 HP MACK 2 VALVE ENGINE, COMPLETE, 86, INSPECTED AND TESTED RUNNING ENGINE, ALSO MANY ENGINES IN STOCK.
Updated: Thursday, March 19, 2026 10:55 AM
Location: Miami, Florida
Seller: 4 Trucks Enterprises LLC
Condition: Used
Stock Number: 1280-1211193 - SN:5B
Serial Number: 1280-1211193 - SN:5B1293
Description: USED EM6-300 HP MACK 2 VALVE ENGINE, 1.985, COMPLETE, INSPECTED AND TESTED RUNNING ENGINE, ALSO MANY ENGINES IN STOCK.
Updated: Thursday, March 19, 2026 10:55 AM
Location: Miami, Florida
Seller: 4 Trucks Enterprises LLC
Condition: Used
Stock Number: 1228-1202198 - SN:T6
Serial Number: 1228-1202198 - SN:T676-9P3896
Description: USED EM6-676 MACK 2 VALVE ENGINE, 315 HP, 1.985, COMPLETE, INSPECTED AND TESTED RUNNING ENGINE, ALSO MANY ENGINES IN STOCK.
Updated: Thursday, March 19, 2026 10:55 AM
Location: Miami, Florida
Seller: 4 Trucks Enterprises LLC
Condition: Used
Stock Number: 3379-1120202
Serial Number: 3379-1120202 - SN:3V1315
Description: USED EM6-285 2 VALVES MACK ENGINE, 285HP, 1.983 TRUCK, COMPLETE, INSPECTED AND TESTED RUNNING ENGINE, ALSO MANY ENGINES IN STOCK.
Updated: Thursday, March 19, 2026 10:55 AM
Location: Miami, Florida
Seller: 4 Trucks Enterprises LLC
Condition: Used
Stock Number: 1271-12101911 - SN:3
Serial Number: 1271-12101911 - SN:3Y3057
Description: USED EM6-300 MACK 2 VALVE ENGINE, 1.983, COMPLETE, INSPECTED AND TESTED RUNNING ENGINE, ALSO MANY ENGINES IN STOCK.
Updated: Thursday, March 19, 2026 10:55 AM
Location: Miami, Florida
Seller: 4 Trucks Enterprises LLC
Condition: Used
Stock Number: 4742
Serial Number: 107595
Description: (GOOD USED & TEST RUN & INTERNALLY INSPECTED) 1981 Mack EM6 Diesel Engine, 300HP, MECHANICAL FUEL PUMP, 300HP @ 2100RPM, EM6-300, 6 Cylinders, 672 ...
Updated: Monday, May 18, 2026 03:38 PM
Location: Opa-Locka, Florida
Seller: CA Truck Parts, Inc
Condition: Used
Stock Number: 1323-12121919 - SN:E
Serial Number: 1323-12121919 - SN:EM6-285-1D7978
Description: USED EM6-285 MACK 2 VALVE ENGINE, 285 HP,1.981, COMPLETE, INSPECTED AND TESTED RUNNING ENGINE, ALSO MANY ENGINES IN STOCK.
Updated: Thursday, March 19, 2026 10:55 AM
Location: Miami, Florida
Seller: 4 Trucks Enterprises LLC
Condition: Used
Stock Number: 1320-12121916 - SN:1
Serial Number: 1320-12121916 - SN:1O2561
Description: USED EM6-300 MACK 2 VALVE ENGINE,300 HP, COMPLETE , INSPECTED AND TESTED RUNNING ENGINE,ALSO MANY ENGINES IN STOCK
Updated: Thursday, March 19, 2026 10:55 AM
Location: Miami, Florida
Seller: 4 Trucks Enterprises LLC
Condition: Used
Stock Number: 1189-1129194 - SN:EM
Serial Number: 1189-1129194 - SN:EM6-285-1N6322
Description: USED EM6-285 MACK 2 VALVE ENGINE, COMPLETE, INSPECTED AND TESTED RUNNING ENGINE, ALSO MANY ENGINES IN STOCK.
Updated: Thursday, March 19, 2026 10:55 AM
Location: Miami, Florida
Seller: 4 Trucks Enterprises LLC
Condition: Used
Stock Number: 3416-1208202
Serial Number: 3416-1208202 - SN:7B1077
Description: USED EM6-300 MACK ENGINE, 4 VALVE, 1.987 TRUCK, COMPLETE, INSPECTED AND TESTED RUNNING ENGINE, ALSO MANY ENGINES IN STOCK.
Updated: Thursday, March 19, 2026 10:55 AM
Location: Miami, Florida
Seller: 4 Trucks Enterprises LLC
Condition: Used
Stock Number: 5937
Serial Number: 239GB5450
Weight: 800 lb
Shipping Length: 50 in
Shipping Width: 42 in
Description: 1986 MACK EM6-300 ENGINE BLOCK PART NUM 239GB5450
THE SHIPPING HAS AN ADDITIONAL COST
If you need any other item that is not listed, please l...
Updated: Monday, May 18, 2026 08:17 AM
Location: Houston, Texas
Seller: Max Trucks & Equipment LLC
Condition: Used
Stock Number: 5942
Weight: 350 lb
Shipping Length: 45 in
Shipping Width: 20 in
Shipping Height: 20 in
Description: 1986 MACK EM6-300 CYLINDER HEAD
THE SHIPPING HAS AN ADDITIONAL COST
If you need any other item that is not listed, please let us know so we c...
Updated: Monday, May 18, 2026 08:17 AM
Location: Houston, Texas
Seller: Max Trucks & Equipment LLC
Condition: Used
Stock Number: 5940
Serial Number: 850GB44E
Weight: 32 lb
Shipping Length: 20 in
Shipping Width: 20 in
Description: 1986 MACK EM6-300 OIL PUMP PART NUM 850GB44E
THE SHIPPING HAS AN ADDITIONAL COST
If you need any other item that is not listed, please let us...
Updated: Monday, May 18, 2026 08:17 AM
Location: Houston, Texas
Seller: Max Trucks & Equipment LLC
Condition: Used
Stock Number: 5938
Serial Number: 105GC4217B
Weight: 30 lb
Shipping Length: 30 in
Shipping Width: 26 in
Description: 1986 MACK EM6-300 INTAKE MANIFOLD PART NUM 105GC4217B
THE SHIPPING HAS AN ADDITIONAL COST
If you need any other item that is not listed, plea...
Updated: Monday, May 18, 2026 08:17 AM
Location: Houston, Texas
Seller: Max Trucks & Equipment LLC
Condition: Used
Stock Number: 5941
Weight: 18 lb
Shipping Length: 20 in
Shipping Width: 12 in
Shipping Height: 12 in
Description: 1986 MACK EM6-300 OIL FILL TUBE
THE SHIPPING HAS AN ADDITIONAL COST
If you need any other item that is not listed, please let us know so we c...
Updated: Monday, May 18, 2026 08:17 AM
Location: Houston, Texas
Seller: Max Trucks & Equipment LLC
Condition: Used
Stock Number: 5939
Serial Number: MM516 323
Weight: 30 lb
Shipping Length: 15 in
Shipping Width: 15 in
Description: 1986 MACK EM6-300 ENGINE TIMING GEAR PART NUM MM516 323
SHIPPING AT ADDITIONAL COST
If you need any other item that is not listed, please le...
Updated: Monday, May 18, 2026 08:17 AM
Location: Houston, Texas
Seller: Max Trucks & Equipment LLC
Condition: Used
Stock Number: 7957
Description: Call for price
Part TypeEngines & Engine Parts / Engine Assys
Engine Make Mack
Engine Model EM6
Horse Power 275
Casting/Serial# N/A
Mileage N...
Updated: Wednesday, May 27, 2026 12:13 PM
Location: Port Perry, Ontario, Canada
Seller: Langilles Truck Parts
Condition: Used
Stock Number: 4240
Serial Number: 9S4601
Description: Call for price
Part TypeEngines & Engine Parts / Engine Assys
Engine Make Mack
Engine Model EM7
Horse Power 300
Casting/Serial# 9s4601
Truck ...
Updated: Wednesday, May 27, 2026 12:10 PM
Location: Port Perry, Ontario, Canada
Seller: Langilles Truck Parts
Condition: Used
Stock Number: 6112
Serial Number: 5C1139
Description: Call for price
Part TypeEngines & Engine Parts / Engine Assys
Engine Make Mack
Engine Model EM7
Horse Power 300
Casting/Serial# 5C1139
Truck ...
Updated: Wednesday, May 27, 2026 12:10 PM
Location: Port Perry, Ontario, Canada
Seller: Langilles Truck Parts
