Alternators

CF-12140N

Name: CF-12140N Agricultural Machinery Alternator
Brand: Crankvia
SKU: 12140N

CF-12140N alternator for Atlas Copco XAS90, Compac Equipment Mfg. T40, Compac Equipment Mfg. T40D and related applications (12V / 55A / V1).

Brand

Specification

Voltage	12V
Amperage	55A
Rotation	CW
Pulley Class	V1
Regulator/Fan	IR/EF

Features

Part No	CF-12140N
MFR	MAGNETON
Part Type	Alternator

Part Number Cross-Reference

Lester Numbers
John Deere
Kohler
Magneton
Prestolite

Product Advantages

Alternator matching focuses on amperage, voltage, pulley configuration, regulator/fan design, plugs, and OE replacement references.

Fitment-first matching

CF-12140N is prepared for alternator sourcing with Part No, OE, Lester number, and application records checked together.

Quality and test focus

Core specifications such as voltage, power or amperage, rotation, teeth, and design are reviewed before sample or bulk quotation.

Replacement sourcing support

MFR MAGNETON and replacement references including 12140 help buyers compare existing units and reduce wrong-part risk.

Inquiry-ready supply

Share target quantity, destination, sample need, and packaging requirement so Crankvia can confirm the practical supply path.

Application Information

Application records are provided as compatibility references. Confirm OE number, vehicle configuration, engine, and market version before final ordering.

Part No

CF-12140N

Records

Makes

Models

Year range

1994-2007

Make	Model	Engine	Year	Note
Atlas Copco	XAS90	4039 J.Deere	1995-2007	-
Compac Equipment Mfg.	T40	3029D John Deere Dsl.	1997-2007	-
Compac Equipment Mfg.	T40D	3029D John Deere Dsl.	1997-2007	-
Compac Equipment Mfg.	T40PD	3029D John Deere Dsl.	1997-2007	-
Compac Equipment Mfg.	T50	3029D John Deere Dsl.	1997-2007	-
Compac Equipment Mfg.	T50D	3029D John Deere Dsl.	1997-2007	-
Compac Equipment Mfg.	T50PD	3029D John Deere Dsl.	1997-2007	-
Compac Equipment Mfg.	T60	3029D John Deere Dsl.	1997-2007	-
Compac Equipment Mfg.	T60D	3029D John Deere Dsl.	1997-2007	-
Compac Equipment Mfg.	T60PD	3029D John Deere Dsl.	1997-2007	-
Dynapac	CA121	3029DF John Deere Dsl.	1996-2007	-
Dynapac	CA121D	3029DF John Deere Dsl.	1996-2007	-
Dynapac	CA121PD	3029DF John Deere Dsl.	1996-2007	-
Dynapac	CA141 Pad Foot	3029TF John Deere Dsl.	1996-2007	-
Dynapac	CA141	3029TF John Deere Dsl.	1996-2007	-
Dynapac	CA141D	3029TF John Deere Dsl.	1996-2007	-
Dynapac	CA141PBD	3029TF John Deere Dsl.	1996-2007	-
Dynapac	CA141PD	3029TF John Deere Dsl.	1996-2007	-
Ingersoll Rand	185	John Deere Engines	1996-2007	-
John Deere	240	JD 3029D 46HP Engine	1999-2007	-
John Deere	250	JD 3029T 61HP Engine	1999-2004	-
John Deere	260	JD 3029T 69HP Engine	1999-2007	-
John Deere	4400	L4 3.9L 239cid 4039F	1995-2002	-
John Deere	4400	L4 3.9L 239cid John Deere 4039F	1995-2002	-
John Deere	4500	L4 3.9L 239cid 4039F	1995-2002	-
John Deere	4500	L4 3.9L 239cid John Deere 4039F	1995-2002	-
John Deere	8875	J. Deere 61HP Turbo Dsl	1994-1998	-

Product matching notes

Use these checks together with the application table before final ordering.

How do I confirm CF-12140N fits?

Compare Part No, OE numbers, Lester Numbers, the application records, and the spec table. The page is organized around Atlas Copco XAS90, Compac Equipment Mfg. T40, Compac Equipment Mfg. T40D and related applications.

Which fields matter most?

Start with Voltage: 12V, Amperage: 55A, Rotation: CW, Pulley Class: V1, then cross-check OE numbers John Deere RE500502, RE57960, RE57961, Kohler GM21519.

What if I only have a photo or partial number?

Share label photos, drive-end and connector shots, and any partial number or Lester Numbers 12140. That usually narrows the match quickly.

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