Caterpillar 3406E (40 PIN) 1LW Engines For Sale

Browse Caterpillar 3406E (40 PIN) 1LW Engines on MyLittleSalesman.com and compare listings with prices from $14,595 to $36,795. Sellers include Optimum Truck Parts, JSJ Diesel Sales, and LKQ Heavy Truck. Filter by condition, price, or year to quickly narrow down to the right Caterpillar 3406E (40 PIN) 1LW Engine.

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Truck Parts

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Engines

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Caterpillar

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3406E (40 PIN) 1LW

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1 - 5 of 5 listings

1999 Caterpillar 3406E 1LW 550HP 40-Pin Diesel Engine | Tested Runner

1999 Caterpillar 3406E 1LW 550HP 40-Pin Diesel Engine | Tested Runner

$18,500 USD

🔥 1999 CATERPILLAR 3406E 1LW – 550 HP – 40 PIN, Used Caterpillar 3406E 1LW diesel engine available from Optimum Truck Parts 🔧 ENGINE DETAILS, , Manufacturer: Caterpillar, , Model:...

Warranty

Condition	Used
Horse Power	550 HP
Stock Number	2031
MLS Number	14557735
Category	Engines
Last Updated	8/26/2026
Location	Medley, FL, US
Sold By	Optimum Truck Parts LLC

(844) 938-___ SHOW
NUMBERCall Seller

Optimum Truck Parts LLC

Caterpillar 3406E (40 PIN) 1LW Engine

Caterpillar 3406E (40 PIN) 1LW Engine

$36,795 USD

REBUILT Caterpillar 3406E 1LW Truck Diesel Engine - Fully Tested, Warranty 550 HP, Engine Brake, Turbo, Engine will be cleaned and painted and look like the example pictures, Listing...

Warranty

Condition	Used
Horse Power	550 HP
MLS Number	14384573
Category	Engines
Last Updated	5/22/2026
Location	Miramar, FL, US
Sold By	JSJ Diesel Sales, Inc.

(855) 718-___ SHOW
NUMBERCall Seller

JSJ Diesel Sales, Inc.

1996 Caterpillar 3406E (40 PIN) 1LW Engine

1996 Caterpillar 3406E (40 PIN) 1LW Engine

$24,695 USD

1996 Caterpillar 3406E - 1LW 550 HP, S/N - 1LW - 40 Pin ECM Included!, ECM is Included, We have many versions and Years of 3406 in Stock!, We also stock these Caterpillar 3406 Engines...

Warranty

Condition	Used
Usage	100,000 Miles
Horse Power	550 HP
MLS Number	14375933
Category	Engines
Last Updated	5/18/2026
Location	Miramar, FL, US
Sold By	JSJ Diesel Sales, Inc.

(855) 718-___ SHOW
NUMBERCall Seller

JSJ Diesel Sales, Inc.

Caterpillar 3406E (40 PIN) 1LW Engine for a CAT 3406E (40 PIN) 1LW

1999 Caterpillar 3406E (40 PIN) 1LW Engine for a CAT 3406E (40 PIN) 1LW

$14,595.14 USD

Condition	Used
CPL/ARR	155-3300
Horse Power	475 HP
Fits To Make(s)	CAT
Fits To Model(s)	3406E (40 PIN) 1LW
Stock Number	2574566
MLS Number	13963272
Category	Engines
Last Updated	5/15/2026
Location	Toledo, OH, US
Sold By	LKQ Heavy Truck

(855) 905-___ SHOW
NUMBERCall Seller

LKQ Heavy Truck

USED 1998 Caterpillar 3406E (40 PIN) 1LW Engine 550HP Strong Runner – Warranty

USED 1998 Caterpillar 3406E (40 PIN) 1LW Engine 550HP Strong Runner – Warranty

$20,000 USD

Caterpillar 3406E – 550HP – 1LW – 40 Pin – Used – Strong Runner – Warranty, Reliable Caterpillar 3406E 1LW diesel engine removed from a running unit and verified as a strong running takeout...

Warranty

Condition	Used
Horse Power	550 HP
Stock Number	2180
MLS Number	14311458
Category	Engines
Last Updated	5/23/2026
Location	Medley, FL, US
Sold By	Optimum Truck Parts LLC

(844) 938-___ SHOW
NUMBERCall Seller

Optimum Truck Parts LLC

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