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Below are the specifications for different parts used on Toyota pickups and 4Runners. Part designations are given for standard items such as engines and transmissions. When no standard name is known, the application is noted. This is a living document that is meant to be all inclusive, but certainly there are details that have been missed. If you have information that you wish to have added to this document, please email Harry Wagner. Contributions of pictures listed as "Coming Soon" are appreciated, as they are needed to complete this document. Further information can be found listed by model year or VIN.

From left to right are the first, second, and third generation pickups.

From left to right are a Trekker, a 1st generation 4Runner, and a 2nd generation 4Runner.

From left to right are a 20R, 22R, and early model 22RE.

Model	Year	Max Horsepower (@ RPM)	Max Torque (@ RPM)	Cylinders	Displacement (ccm)	Fuel Delivery	Compression	Bore (mm)	Stroke (mm)
20R	1979-1980	90@4800	122@2400	4	2189	Carburetor	8.4:1	88	89
22R	1981-1987	96@4800	129@2800	4	2366	Carburetor	9.0:1	92	89
22RE	1985-1988	105@4800	137@2800	4	2366	Electronic Fuel Injection	9.3:1	92	89
22RTE	1986-1987	135@4800	173@2800	4	2366	Turbocharged, Electronic Fuel Injection	7.5:1	92	89
22RE	1989-1995	112@4600	142@3400	4	2366	Electronic Fuel Injection	9.3:1	92	89
3VZE	1988-1995	150@4800	180@3400	6	2958	Electronic Fuel Injection	9.0:1	87.5	90
3RZFE	1996-Present	150@4800	177@4000	4	2693	Electronic Fuel Injection	9.5:1	95	95
5VZFE	1996-Present	190@4800	220@3600	6	3378	Electronic Fuel Injection	9.6:1	93.5	82

From left to right are a late model 22RE, 22RTE, and 3VZE.

Transmissions

From left to right are a A340H and A340F (first picture), L43, L50, L52, and G52 transmissions.

Type	Year	Found Behind	Gears	Low Gear	Length	T-Case Shifting	Notes
L43	1979-1980	20R	4	3.67	20 3/4"	Top
L45	1981-1982	22R	4	3.93	???	Top	Integral bell housing.
L50	1981-1982	22R	5	3.93	???	Top	Integral bell housing, input bearing prone to failure.
L52	1983	22R	5	3.93	???	Top	Integral bell housing.
G52	1984-1987	22R	5	3.93	25 1/4"	Forward	Front seal retainer uses 8 bolts.
G54	1984-1987	22R	5	3.93	25 1/4"	Forward
A340F	1984-1999	22RE, 22RTE	4	2.80	???	???	Found on vehicles with manual hubs and V6 models after '96.
A340H	1988-1995	3VZE	4	2.80	???	Mechanical Linkage on Side	Found on vehicles with ADD, transfer case integral to transmission.
W56	1985-1995	22RE	5	3.93	25 1/4"	Top (85-88) Forward (89-95)	Front seal retainer uses 7 bolts.
R151F	1986-1987	22RTE (pickups only)	5	4.31	25 1/4"	Top (w/ Bucket Seats) Forward (w/ Bench Seats)	Can be identified by round rubber plug on the bottom of the bellhousing.
G58	1989-1995	22RE	5	3.93	???	Top	Found of vehicles with ADD.
R150F	1988-1995	3VZE	5	3.83	???	Top

From left to right are the G52, G58, W56, R151F, the plug used to identify the R151F transmission, and R150F transmissions.

Transfer Cases

Model	Year	Type	Shifter	Found Behind	Gear Reduction	Splines	Notes
RF1A	1980-1995	Gear Driven	Forward	G52, G54, W56 (89-95), R151F (with bench seat)	2.28	21, 23 (behind R151F)	Can be identified by the 7 bolt rear cover.
RF1A	1979-1991	Gear Driven	Top	L43, L45, L50, L52, W56 (85-88), R151F (with bucket seats)	2.28	21, 23 (behind R151F)	Can be identified by the 7 bolt rear cover.
VF1A	1988-1995	Chain	Top	R150, G58	2.57	23 (behind R150), 26 (behind G58)	Can be identified by the 5 bolt rear cover.
VF2A	1984-1989	Chain	Mechanical Linkage on Side	A340F	2.57	???
A340H	1988-1995	Chain	Electronically Controlled	A340H	2.66	???	Hydraulic transfer case, transmission and transfer case cannot be seperated.

From left to right is a stack of RF1A transfer cases, the difference between forward shifting and top shifting transfer cases, and a VF1A transfer case.

Axles

From left to right is an '82 solid front axle, '85 solid front axle, and typical IFS axle and suspension.

Type	Year	Gearing	Width	Ring Gear Size	Shaft Size	Spline Count	Notes
Solid Front	1979-1985	3.90, 4.10, 4.30, 4.38	55 1/2"	8"	1 5/16"	30	Axle housings received more gusseting over the years.
Solid Rear	1979-1985	3.90, 4.10, 4.30, 4.38	55"	8"	1 5/16"	30	4.38s only available in 1980, 3.90s only available in 1981, 8" drums.
IFS Front	1986-1995	4.10, 4.30, 4.56, 4.88	58 1/2"	7.5"	1 1/8"	27	4.10s standard for manual transmissions, 4.30s standard for automatic transmissions.
Solid Rear	1986-1995	4.10, 4.30, 4.56, 4.88	58"-58 1/2"	8"	1 5/16"	30	10" rear drums, V6 and turbo applications used stronger third member with larger bearings and bigger third member, coil sprung 4Runner axles are 1/2" wider than pickup axles, factory 4.88s available in vehicles equipped with automatic transmissions starting in 1992, but the pinion is moved closer to the ring gear than on all the other 3rds. This makes it so they can use a standard thickness ring gear instead of an extra thick one. This "thin" 4.88 gear is only made by Toyotas.
Solid Rear	1995-???	???	58 1/2"-60"	8"	1 5/16"	30	Tacoma axle uses the same brakes and third member as previous pickup axle, somewhere during Tacoma production the rear axle changed from 58 1/2" to 60".

From left to right is a leaf sprung solid rear axle, 4 cylinder (foreground) and V6 third members (background), and a 4Runner coil sprung solid rear axle.

Steering Boxes

Type	Year	Notes
Push-Pull	1979-1985	Used on solid axle trucks. Displays quirky steering characteristics when used in lifted applications. J-arm and drag link are prone to breakage in extreme applications.
Crossover	1986-1995	Used on IFS trucks but ideal for crossover steering on solid axle equipped trucks.

The push-pull box that comes stock on solid axle trucks is on the left. On the right is the more desirable IFS steering box.

Brakes

Year	Master Cylinder	Calipers	Rotors	Notes
1979-1985	13/16" Bore	Two Large Pistons, Two Small Pistons	Solid	8" rear drums.
1986-1995	13/16" Bore	Two Large Pistons, Two Small Pistons	12" Vented	15/16" and 7/8" master cylinders also reported to have been used, 10" rear drums.
1988-1995	1" Bore	Four Large Pistons	12" Vented	Larger brakes found on V6 trucks, 10" rear drums.

On the left is a rotor and caliper from a solid axle truck. in the middle is a rotor and caliper from a V6 powered IFS truck, and on the right is a solid axle equipped with IFS calipers and FJ-40 rotors.

Related Links

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