Hitachi LR Alternator

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Category: Charging System

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Revision as of 07:54, 7 November 2012 ddgonzal (Talk | contribs) (->B310) <- Previous diff		Current revision ddgonzal (Talk | contribs)
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-	The Hitachi LR series of internally-regulated [[Alternator]] was first fitted to North American B210 for the 1978 [[Model year]]. It weighs about 2-1/2 pounds more than a stock Datsun 1200 35A model and about 1 pound more than an externally regulated 50A Hitachi. The LR160 60 amp model is physically identical, and was first used around 1983.	+	The Hitachi LR series of internally-regulated [[alternator]] was first fitted to North American Datsuns for the 1978 [[Model year]] and used in Australia in the 1980s.
-	= Physical Specifications =	+	= Overview =
-	The LR150/LR160 came on newer A-series engines.	+	The LR internally-regulated alternators came on newer A-series engines, from 1978 for Nissan North America, and from the 1980s for Australia. The [[620]] came with the LR-135 (35 AMP) which is same size as the Datsun 1200 LT-135. The B210 came with 50 AMP LR-150, it weighs about 2-1/2 pounds more than a stock Datsun 1200 35A model and about 1 pound more than an externally regulated 50A Hitachi. Also available in 60 amp model LR160 which is physically identical to the LR150.
-	[http://www.rockauto.com/catalog/x,carcode,1210824,parttype,2412,EPIsubcategory%5B97%5D http://info.rockauto.com/Bosch/AL238X_2.JPG]	+	Navara [[Datsun_truck#Nissan_D21|D21]] 1986-1992 alternator on Datsun 1200
		+	<br>{{Album|15469}}
-	[http://datsun1200.com/modules/myalbum/photo.php?lid=5088 http://datsun1200.com/modules/myalbum/photos/5088.jpg]	+	Only a [[Alternator_Wiring#Late-model_Alternator|simple wiring change]] is required when replacing Datsun externally-regulated alternators.
-	* LR160 - 60A, second from left	+
-	* Engine-mounting side is 80 mm (~3-3/16") in between ears, same as stock Datsun 1200	+
-	** 10.5mm diameter mount holes	+
-	* front flange (bolt ears) 13mm thick	+
-	* Adjuster ear 175mm (~6-7/8") across. The stock 1200 unit is smaller at 156mm (~6-1/8") from the mount ear.	+
-	** So you may need a late A12 adjuster and fan belt	+
-	** threaded for M8x1.25 bolt	+
-	* About 129mm diameter.	+
-	* Fan belt center: 29mm from front bolt face	+
-	* Pulley diameter: 69mm	+
		+	Direct bolt-on to replace B110 35A
		+	* Hitachi [[LR135]] 35A
		+	* Mitsubishi [[LR135|A1T2]]
		+	{{Main|LR135}}
-	= Wiring =	+	Upgrade to Higher AMP
-	The Hitachi LR150 (50A) was used in North America 1978 B210 and 1979-1982 B310.	+	1" larger diameter, [[Alternator_Upgrades#Hitachi_LT-150|bolts to A12 engine]]
		+	* Hitachi LR150 50A
		+	* Hitachi LR160 60A
		+	* Mitsubishi A2T2 50A
		+	* Mitsubishi A2T3 50A
		+	* BOSCH 0986
		+	* BOSCH 3262
		+	* BOSCH 3349
		+	* LUCAS LRA02563
		+	* LUCAS LRA2563
-	L - Lamp (stem of T) -> To dash 'CHG' Lamp	+	[http://www.rockauto.com/catalog/x,carcode,1210824,parttype,2412,EPIsubcategory%5B97%5D buy at RockAuto.com]
-	S - Sense (head of T) -> to BAT+ via Fusible Link	+
-	Here is the [http://datsun1200.com/modules/myalbum/photo.php?lid=24950 factory wiring diagram] portion:	+	Hitachi LR135/Mitsubishi A1T2 (small diameter, same as B110 LT-135) bolt-in replacement, but with L-S wiring
-	<br><img size=400>http://datsun1200.com/uploads/photos/24950.jpg</img>	+	<br>{{Photo!|23100-B9810.jpg}}
-	Notice the I.C Alternator T-connector head is connected to BAT+ line(unswitched battery voltage). B210 is the same but wire colors differ.	+	Has same T-connector, but is LR is additionally notched
		+	<br>{{PhotoTh!|LRplug.jpg}} &nbsp; {{PhotoTh!|FNplug.jpg}}
-	1979-1982 B310 colors	+	Bosch Al237x rebuild Hitachi 50 Amp
-	B - Black wire. Earth/Ground	+	<br>{{Photo|AL237X.jpg|Datsun%201200/Parts}}
-	W - thick White wire. BAT+ via Fusible Link	+
-	W - thin White wire in T-connector head. BAT+	+
-	WR - White/Red in T-connector stem. To dash 'CHG' Lamp	+
-	Notice that the I.C Alternator T-connector head is connected to A/BAT terminal (unswitched battery voltage). The splice occurs in the wiring harness.	+	Middle two alternators: Hitachi LR-type 50-60 amp
		+	{{Album|5088}}
		+	LR160 - 60A, second from left
		+	LR150 - 50A, third from left (Bosch compatible unit)
-	1978 B210 Colors	+	50A 23100-H7711 Mitsubishi A2T24971 - compatible
-	B - Black wire. Earth/Ground	+	<br>{{Album|25531}}
-	WR - White/Red. BAT+ via Fusible Link	+
-	Y - Yellow. T-connector head. BAT+	+
-	WB - White/Red. T-connector stem. To dash 'CHARGE' Lamp	+
-	== Fitting To Early 1200 ==	+	= Physical Specifications =
-	If you install an LR alternator with internal-regulator on a 1200:	+	* Engine-mounting side is 80 mm (~3-3/16") in between ears, same as stock Datsun 1200
-	* disconnect the voltage regulator	+	* 10.5mm diameter mount holes
-	* On the B110 regulator harness that goes down to the engine, connect WB wire of connector to WR wire of connector:	+	* front flange (bolt ears) 13mm thick
-	* WR <--> WB	+	* Adjuster ear 175mm (~6-7/8") across
-	* [http://datsun1200.com/modules/myalbum/photo.php?lid=7441 http://datsun1200.com/modules/myalbum/photos/thumbs/7441.jpg] wiring jumper	+	The stock 1200 unit is smaller at 156mm (~6-1/8") from the mount ear.
-	* Logically, you are connecting the "L" (Lamp) of new alternator to "L" (Lamp) of the wiring harness which is connected to the IGN switch. Be sure to use the original Datsun 1200 wiring harnesses as the "L" wire color WR is a switched source in the harness. Only one jumper wire is needed.	+	* So you may need a late A12 adjuster and fan belt
		+	* threaded for M8x1.25 bolt
		+	* About 129mm diameter.
		+	* Fan belt center: 29mm from front bolt face
		+	* Pulley diameter: 69mm
-	Some prefer two wires, which works on a 1200, 1200 with auto-choke, and with other Datsuns:	+	= Wiring =
-	* Jump W to Y wires	+	{{SeeEx|see=Main|Alternator_Wiring#Late-model_Alternator|IR Alternator Wiring}}
-	* Jump WR to WB wires	+
-	wiring diagram:	+	= Sources =
-	<br>	+	Australia Sources
-	[http://datsun1200.com/modules/myalbum/photo.php?lid=7440 http://datsun1200.com/modules/myalbum/photos/thumbs/7440.jpg]	+	* Mazda 12B, 13B, F8, FE, MA, VC
		+	* Subaru Leone/Brumby
		+	* Isuzu Trooper (has vacuum pump & triple pulley)
		+	* Nissan Patrol/Navara (has vacuum pump)
		+	* Ford Courier diesel (has vacuum pump)
-	[http://datsun1200.com/modules/myalbum/photo.php?lid=14739 http://datsun1200.com/modules/myalbum/photos/thumbs/14739.jpg] Store-bought version ($30) of jumper wire	+	Japan Sources
		+	[[LR135]] (35 AMP)
		+	* 1200 Sunny Truck
-	You can buy one mail-order from [[Bprojects]]. Endo will take care of you, send an email to Bprojects.	+	North America sources
		+	[[LR135]] (35 AMP)
		+	* 1978-1979 Datsun 620 pickup
		+	* 1980 Datsun 720 pickup
		+	LR150 (50 AMP)
		+	* Datsun 200SX (1978 - 1979)
		+	* Datsun B210 1978
		+	* Datsun 210 (1979 - 1982)
		+	* Datsun 310 (1979 - 1982)
		+	* Datsun 510 (1978 - 1981)
		+	* Datsun 720 PICKUP (1981 - 1985)
		+	* Mazda 1979-1985 RX7
		+	* Mazda 1979-1982 626
		+	* Mazda 1979-1987 929
		+	* 1984 Nissan D21 [https://www.rockauto.com/en/catalog/nissan,1986,d21+pickup,2.4l+l4,1210835,electrical,alternator+/+generator,2412 Rockauto.com] with oval connector
-	http://www.risebike.com/pro/GAZO_LOGO/e_shop/parts/engine/ic%20harness.gif	+	LR160 (60 AMP)
-	<br>Price: 5,250yen (about $52 USD)	+	* Datsun 200SX (1978 - 1983)
		+	* Datsun 310 (1979 - 1981)
		+	* Datsun 310 DELUXE 1982
		+	* Datsun 310 GX (1980 - 1982)
		+	* Datsun 510 (1978 - 1981)
		+	* Datsun 720 PICKUP (1981 - 1985)
		+	* NISSAN PULSAR 1983
		+	* NISSAN PULSAR NX (1983 - 1986)
		+	* NISSAN PULSAR NX TURBO 1983
		+	* [https://www.rockauto.com/en/catalog/nissan,1984,sentra,1.7l+l4+diesel,1212679,electrical,alternator+/+generator,2412 1984 Sentra diesel] with vacuum pump
-	=== Wiring Explanation ===	+	{{search|Hitachi+LR.170|LR170}} (70 AMP)
-	CAUTION: if you jump W to B it will spark, begin to melt and then blow the Fusible Link. Possibly too with other wire combos too depending on if the key is on or off. In any case it should not cause a fire if the Fuses and Fusible Link are all in place. Older Datsun 510 & 521 may not use a Fusible Link, so be sure to connect the right wires.	+	[https://www.rockauto.com/en/partsearch/?partnum=lr170 Rockauto.com]
-	Voltage Regulator connector	+	LR170 with vacuum pump
-	* White: battery feed	+	<br>{{Album|28544}} {{Album|28545}}
-	* Yellow: Nuetral (of original FN alternator)	+
-	* White/Red: Lamp (dash CHG or IGN light)	+
-	* White/Black: Field (of original FN alternator)	+
-	In the conversion:	+	{{search|Hitachi+LR.180|LR180}} (80 AMP)
-	* Yellow goes to S terminal of LS alternator, so jumper connects Sense to battery	+
-	* WB goes to L terminal of LS alternator, so jumper connects Lamp to dash lamp	+
-		+
-	You can double-check all this with a voltmeter.	+
-		+
-	The original 35A alternator should have FN terminals	+
-	<br>[http://datsun1200.com/modules/myalbum/photo.php?lid=24375 http://datsun1200.com/uploads/thumbs/24375.jpg]	+
-		+
-	The Internally Regulated alternator should have LS terminals (but same T-connector as FN types)	+
-	<br>[http://datsun1200.com/modules/myalbum/photo.php?lid=24374 http://datsun1200.com/uploads/thumbs/24374.jpg]	+
-		+
-	== Automatic Choke ==	+
-	NOTE: If your Datsun was factory-equipped with [[Automatic Choke]], a second jumper is needed. See above.	+
-		+
-	Alternate method of wiring the choke: With LR alternator: On the carburetor, unplug the electric choke. Make a new jumper wire from the choke to the ballast resistor (12V side). The downside of this is the choke starts warming as soon as KEY is ON, whether the engine starts or not. If you have trouble starting the engine, in cold weather you may never get it started, because the choke begins to open.	+
-		+
-		+
-	=== Original Wiring ===	+
-	The wiring harness for Datsun 1200 auto choke with LT-series alternator, for example, the 1973 1200 USA, the choke relay is connected to Ground. See [[Alternator_Wiring#Automatic_Choke_Relay]]	+
-	<br>http://datsun1200.com/uploads/thumbs/14977.jpg 1200 relay, normally open. Alternator output will close the relay, activating the choke heater.	+
-		+
-	The wiring harness for B310 with LR-series alternator, the choke relay is connected to IGN	+
-	<br>[http://datsun1200.com/modules/myalbum/photo.php?lid=24362 http://datsun1200.com/uploads/thumbs/24362.jpg] B310 relay - normally closed. IGN switch will activate the relay, deactivating choke heater. Then alternator output will de-activate the relay, causing the choke heater to power up.	+
-		+
-	The [[Choke Relay]] is wired oppositely different on LT-series and LR-series applications. However, since both are triggered by the Lamp/Nuetral wire, either alternator will work with either wiring harness/relay combination (old harness/old relay OR new harness/new relay).	+
-		+
-	== Troubleshooting ==	+
-	1. Check the Voltage at the alternator. Between the BAT terminal and the E terminal (earth/ground) there should be the same V as at the battery. If not, you got a wiring problem.	+
-		+
-	2. The S terminal should be 12V hot when key is turned to IGN	+
-		+
-	NOTE: on the B310 with this, S is hot all the time	+
-	either way will work	+
-		+
-	3. The L terminal (Lamp) should be:	+
-	* 0V when key is turned OFF	+
-	* 12V (more or less) when key is turnd ON	+
-		+
-	Because the L terminal is the exciter, if your CHG lamp is burned out, the Hitachi LR won't charge.	+
-		+
-	[http://i297.photobucket.com/albums/mm219/ddgonzal/sightings/forum/EL-19.jpg http://i297.photobucket.com/albums/mm219/ddgonzal/sightings/forum/th_EL-19.jpg]	+
-		+
-	== Engine Won't Shut Off ==	+
-	If wired incorrectly, the engine will keep running when you turn the key off.	+
-		+
-	== Regulator Still Plugged In ==	+
-	The FN wiring is different from LS wiring. So if you leave the external regulator still plugged in, the wires are incorrect.	+
-		+
-	It won't cause overcharging, since the LR is internally regulated.	+
-		+
-	L-S	+
-	Lamp: stem of Tee	+
-	Sense: head of Tee	+
-		+
-	F-N	+
-	Field: stem of Tee	+
-	Nuetral: head of Tee	+
-		+
-	If the external regulator is left plugged in:	+
-	* the Nuetral line of regulator will be connected to the Sense terminal	+
-	* the Field output of regulator will be connected to the Lamp input/output terminal	+
	= Parts =		= Parts =
-	B122 Hitachi LR135 (35A) : See [[LR135]]	+	B122 Hitachi LR135 (35A) : See [[LR135]]
-	B210 1978, B310 50 amp Hitachi LR150	+	B210 1978, B310 50 amp Hitachi LR150
-	* 23100-H7703 B310 0381-	+	* 23100-H7703 B310 0381-
-	** replaces 23100-H7702 B310 0580-0281	+	* replaces 23100-H7702 B310 0580-0281
-	** replaces 23100-H7701 B310 0978-0480	+	* replaces 23100-H7701 B310 0978-0480
-	** replaces 23100-H7700 B210 0877-, B310 -0878	+	* replaces 23100-H7700 B210 0877-, B310 -0878
-	* BOSCH AL238X, AL241X [http://www.rockauto.com/catalog/raframecatalog.php?catalog=23&partnum=AL238X&a=FR23-AL238X $71.99 at RockAuto.com]	+	* BOSCH AL238X, AL241X [http://www.rockauto.com/catalog/raframecatalog.php?catalog=23&partnum=AL238X&a=FR23-AL238X $71.99 at RockAuto.com]
-	* BBB PRECISON 14255	+	* BBB PRECISON 14255
-	* REMY 14185	+	* REMY 14185
-	* BECK/ARNLEY 1860266	+	* BECK/ARNLEY 1860266
-	* ACDELCO 321-1265 {#10463708}	+	* ACDELCO 321-1265 {#10463708}
		+	Diode assembly
		+	* Nissan 23230-W7101 or 23230-P2501 DIODE ASSEMBLY
		+	* [http://www.rockauto.com/catalog/x,carcode,1208821,parttype,2452 AIRTEX 2D3071]
-	Diode assembly	+	LR160 60 Amp
-	* Nissan 23230-W7101 or 23230-P2501 DIODE ASSEMBLY	+	* 23100-W5807 Hitachi LR160, replaces 23100-W5805, 23100-W5806
-	* [http://www.rockauto.com/catalog/x,carcode,1208821,parttype,2452 AIRTEX 2D3071]	+	* BOSCH AL241X
		+	* BBB PRECISON 14587
		+	* ACDELCO 3341661 {60 AMP #19134654}
		+	* REMY 14301
		+	== Brushes ==
		+	Brush Assembly LR150 (B210 from 0877)
		+	* 23135-P2500 BRUSH ASSY LR150
		+	* 23133-P2501 BRUSH REGULATOR ASSY LR150 replaces 23133-P2500
		+	* Includes IC regulator
		+	* STANDARD MOTOR PRODUCTS Part # VR592
		+	* AIRTEX/WELLS 5A1122
		+	* STANDARD MOTOR PRODUCTS JX108
		+	* Width 17/64"
		+	* Thickness 29/32"
		+	[http://www.rockauto.com/catalog/x,carcode,1210824,parttype,4884,partGroup,18 Rockauto.com]
-	LR160 60 Amp	+	{{Photo!|E726.jpg|width=SM}}
-	* 23100-W5807 Hitachi LR160, replaces 23100-W5805, 23100-W5806	+
-	* BOSCH AL241X	+
-	* BBB PRECISON 14587	+
-	* ACDELCO 3341661 {60 AMP #19134654}	+
-	* REMY 14301	+
		+	== Regulator ==
		+	B210 1978 Internal IC Regulator (requires soldering)
		+	* Nissan 23215-P2501 IC REGULATOR ASSY LR150 0877- replaces 23215-P2500
		+	* STANDARD MOTOR PRODUCTS VR162
		+	* ULTRA-POWER VR162
-	== Sources ==	+	[http://www.rockauto.com/catalog/x,carcode,1210824,parttype,4884,partGroup,18 Rockauto.com]
-	LR150	+
-	* Datsun 200SX (1978 - 1979)	+
-	* Datsun B210 1978	+
-	* Datsun 210 (1979 - 1982)	+
-	* Datsun 310 (1979 - 1982)	+
-	* Datsun 510 (1978 - 1981)	+
-	* Datsun 720 PICKUP (1981 - 1985)	+
-		+	{{UploadPostH|174_5a48797c878c1.jpg|487071}} {{UploadPostH|174_5a487986124ba.jpg|487071}} {{UploadPostH|174_5a48798f0df83.jpg|487071}}
-	LR160	+
-	* Datsun 200SX (1978 - 1983)	+
-	* Datsun 310 (1979 - 1981)	+
-	* Datsun 310 DELUXE 1982	+
-	* Datsun 310 GX (1980 - 1982)	+
-	* Datsun 510 (1978 - 1981)	+
-	* Datsun 720 PICKUP (1981 - 1985)	+
-	* NISSAN PULSAR 1983	+
-	* NISSAN PULSAR NX (1983 - 1986)	+
-	* NISSAN PULSAR NX TURBO 1983	+
-		+
-		+
-		+
-	== Brushes ==	+
-	Brush Assembly LR150 (B210 from 0877)	+
-	* 23135-P2500 BRUSH ASSY LR150	+
-	* 23133-P2501 BRUSH REGULATOR ASSY LR150 replaces 23133-P2500	+
-	** Includes IC regulator	+
-	* STANDARD MOTOR PRODUCTS Part # VR592	+
-	*: [http://www.rockauto.com/catalog/x,carcode,1210824,parttype,4884,partGroup,18 http://info.rockauto.com/SMP/VR-592_FULL.jpg]	+
-		+
-	== Regulator ==	+
-	B210 1978 Internal IC Regulator (requires soldering)	+
-	* 23215-P2501 IC REGULATOR ASSY LR150 0877- replaces 23215-P2500	+
-	* STANDARD MOTOR PRODUCTS Part # VR162	+
-	*: [http://www.rockauto.com/catalog/x,carcode,1210824,parttype,4884,partGroup,18 http://info.rockauto.com/SMP/VR-162_TERMINAL.jpg]	+
	= Others =		= Others =
	== Round I-L-S connector==		== Round I-L-S connector==
-	* may fit stock adjuster bracket (156mm mounting)	+	* may fit stock adjuster bracket (156mm mounting)
-	* Use with 4mm spacer (extra washers) on engine rear mount bolt	+	* Use with 4mm spacer (extra washers) on engine rear mount bolt
-	Hitachi LR160-723	+	North America sources
-	* 1990-1993 Nissan Pickup	+	Hitachi LR160-723
		+	* 1990-1993 Nissan Pickup
		+	Hitachi LR150-704
		+	* 1989-1992 Isuzu Amigo
		+	* 1988-1992 Isuzu Pickup
		+	* 1991-1992 Isuzu Rodeo
		+	* 1987-1991 Isuzu Trooper 2.3
		+	Hitachi LR150-718
		+	* NOTE: 175mm mounting
		+	* 1989-1992 Isuzu Amigo
		+	* 1988-1992 Isuzu Pickup
		+	* 1991-1992 Isuzu Rodeo
-	Hitachi LR150-704	+	== Squared-Round S-L connector==
-	* 1989-1992 Isuzu Amigo	+	Hitachi LR170-734B/739B/745 (about 1/2 kilo heaver that LR160)
-	* 1988-1992 Isuzu Pickup	+	* NOTE: 175mm mounting
-	* 1991-1992 Isuzu Rodeo	+	* NOTE: 8.5 mm (smaller) mounting holes
-	* 1987-1991 Isuzu Trooper 2.3	+	* NOTE: Large 77m pulley
-	Hitachi LR150-718	+	North America sources:
-	* NOTE: 175mm mounting	+	* 1990-1995 Nissan Pathfinder
-	* 1989-1992 Isuzu Amigo	+	* 1990-1995 Nissan Pickup
-	* 1988-1992 Isuzu Pickup	+
-	* 1991-1992 Isuzu Rodeo	+
-		+
-		+
-	== Squared-Round S-L connector==	+
-	Hitachi LR170-734B/739B/745 (about 1/2 kilo heaver that LR160)	+
-	* NOTE: 175mm mounting	+
-	* NOTE: 8.5 mm (smaller) mounting holes	+
-	* NOTE: Large 77m pulley	+
-	* 1990-1995 Nissan Pathfinder	+
-	* 1990-1995 Nissan Pickup	+
-	[[Category:Charging System Modifications]]	+	[[Category:Charging System]]{{End}}

---

Current revision

The Hitachi LR series of internally-regulated alternator was first fitted to North American Datsuns for the 1978 Model year and used in Australia in the 1980s.

Contents 1 Overview 2 Physical Specifications 3 Wiring 4 Sources 5 Parts 5.1 Brushes 5.2 Regulator 6 Others 6.1 Round I-L-S connector 6.2 Squared-Round S-L connector

Overview

The LR internally-regulated alternators came on newer A-series engines, from 1978 for Nissan North America, and from the 1980s for Australia. The 620 came with the LR-135 (35 AMP) which is same size as the Datsun 1200 LT-135. The B210 came with 50 AMP LR-150, it weighs about 2-1/2 pounds more than a stock Datsun 1200 35A model and about 1 pound more than an externally regulated 50A Hitachi. Also available in 60 amp model LR160 which is physically identical to the LR150.

Navara D21 1986-1992 alternator on Datsun 1200
Album 15469

Only a simple wiring change is required when replacing Datsun externally-regulated alternators.

Direct bolt-on to replace B110 35A
* Hitachi LR135 35A
* Mitsubishi A1T2

Upgrade to Higher AMP
1" larger diameter, bolts to A12 engine
* Hitachi LR150 50A
* Hitachi LR160 60A
* Mitsubishi A2T2 50A
* Mitsubishi A2T3 50A
* BOSCH 0986
* BOSCH 3262
* BOSCH 3349
* LUCAS LRA02563
* LUCAS LRA2563 

buy at RockAuto.com

Hitachi LR135/Mitsubishi A1T2 (small diameter, same as B110 LT-135) bolt-in replacement, but with L-S wiring

Has same T-connector, but is LR is additionally notched
 

Bosch Al237x rebuild Hitachi 50 Amp

Middle two alternators: Hitachi LR-type 50-60 amp
Album 5088
LR160 - 60A, second from left
LR150 - 50A, third from left (Bosch compatible unit)

50A 23100-H7711 Mitsubishi A2T24971 - compatible
Album 25531

Physical Specifications

* Engine-mounting side is 80 mm (~3-3/16") in between ears, same as stock Datsun 1200
* 10.5mm diameter mount holes
* front flange (bolt ears) 13mm thick
* Adjuster ear 175mm (~6-7/8") across
  The stock 1200 unit is smaller at 156mm (~6-1/8") from the mount ear.
  * So you may need a late A12 adjuster and fan belt
  * threaded for M8x1.25 bolt
* About 129mm diameter. 
* Fan belt center: 29mm from front bolt face
* Pulley diameter: 69mm

Wiring

Sources

Australia Sources
* Mazda 12B, 13B, F8, FE, MA, VC
* Subaru Leone/Brumby
* Isuzu Trooper (has vacuum pump & triple pulley)
* Nissan Patrol/Navara (has vacuum pump)
* Ford Courier diesel (has vacuum pump)

Japan Sources
LR135 (35 AMP)
* 1200 Sunny Truck

North America sources
LR135 (35 AMP)
* 1978-1979 Datsun 620 pickup
* 1980 Datsun 720 pickup
LR150 (50 AMP)
* Datsun 200SX (1978 - 1979) 
* Datsun B210 1978 
* Datsun 210 (1979 - 1982) 
* Datsun 310 (1979 - 1982) 
* Datsun 510 (1978 - 1981) 
* Datsun 720 PICKUP (1981 - 1985)
* Mazda 1979-1985 RX7
* Mazda 1979-1982 626
* Mazda 1979-1987 929
* 1984 Nissan D21 Rockauto.com with oval connector

LR160 (60 AMP)
* Datsun 200SX (1978 - 1983) 
* Datsun 310 (1979 - 1981) 
* Datsun 310 DELUXE 1982 
* Datsun 310 GX (1980 - 1982) 
* Datsun 510 (1978 - 1981) 
* Datsun 720 PICKUP (1981 - 1985) 
* NISSAN PULSAR 1983 
* NISSAN PULSAR NX (1983 - 1986) 
* NISSAN PULSAR NX TURBO 1983
* 1984 Sentra diesel with vacuum pump

LR170ᴳ (70 AMP)
Rockauto.com

LR170 with vacuum pump
Album 28544 Album 28545

LR180ᴳ (80 AMP)

Parts

B122 Hitachi LR135 (35A) : See LR135 

B210 1978, B310 50 amp Hitachi LR150
* 23100-H7703 B310 0381-
  * replaces 23100-H7702 B310 0580-0281
  * replaces 23100-H7701 B310 0978-0480
  * replaces 23100-H7700 B210 0877-, B310 -0878
* BOSCH AL238X, AL241X $71.99 at RockAuto.com
* BBB PRECISON 14255
* REMY 14185 
* BECK/ARNLEY 1860266 
* ACDELCO 321-1265 {#10463708}

Diode assembly
* Nissan 23230-W7101 or 23230-P2501 DIODE ASSEMBLY 
* AIRTEX 2D3071

LR160 60 Amp
* 23100-W5807 Hitachi LR160, replaces 23100-W5805, 23100-W5806
* BOSCH AL241X
* BBB PRECISON 14587
* ACDELCO 3341661 {60 AMP #19134654}
* REMY 14301 

Brushes

Brush Assembly LR150 (B210 from 0877)
* 23135-P2500 BRUSH ASSY LR150
* 23133-P2501 BRUSH REGULATOR ASSY LR150 replaces 23133-P2500
  * Includes IC regulator
* STANDARD MOTOR PRODUCTS Part # VR592
* AIRTEX/WELLS 5A1122
* STANDARD MOTOR PRODUCTS JX108
  * Width 17/64"
  * Thickness 29/32" 

Rockauto.com

Regulator

B210 1978 Internal IC Regulator (requires soldering)
* Nissan 23215-P2501 IC REGULATOR ASSY LR150 0877- replaces 23215-P2500
* STANDARD MOTOR PRODUCTS VR162
* ULTRA-POWER VR162

Rockauto.com

Post click for topic Post click for topic Post click for topic

Others

Round I-L-S connector

* may fit stock adjuster bracket (156mm mounting)
* Use with 4mm spacer (extra washers) on engine rear mount bolt

North America sources
Hitachi LR160-723
* 1990-1993 Nissan Pickup
Hitachi LR150-704
* 1989-1992 Isuzu Amigo
* 1988-1992 Isuzu Pickup
* 1991-1992 Isuzu Rodeo
* 1987-1991 Isuzu Trooper 2.3
Hitachi LR150-718 
* NOTE: 175mm mounting
* 1989-1992 Isuzu Amigo
* 1988-1992 Isuzu Pickup
* 1991-1992 Isuzu Rodeo

Squared-Round S-L connector

Hitachi LR170-734B/739B/745 (about 1/2 kilo heaver that LR160)
* NOTE: 175mm mounting
* NOTE: 8.5 mm (smaller) mounting holes
* NOTE: Large 77m pulley

North America sources:
* 1990-1995 Nissan Pathfinder
* 1990-1995 Nissan Pickup 

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