1986–2000 Massey Ferguson MF 300 Series Tractor Workshop & Air Conditioning Manual Set (P/N 1449244M5)
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Massey-Ferguson Models Covered & Key Technical Specifications
Models & Model Codes: MF 340 (2WD 5812, 4WD 5747; engine AD3.152S, build CE 31237), MF 342 (2WD 9203, 4WD 9204; engine AD3.152S uprated, build CE 31160), MF 350 (2WD 5000, 4WD 5001; engine AD3.152S uprated, build CE 31160), MF 350H (2WD 9000), MF 352 (2WD 9205, 4WD 9206; engine AT3.1524, build CN 31256), MF 355 (2WD 5309, 4WD 5310; engine AT3.1524, build CN 31187), MF 360 (2WD 5221, 4WD 5222; engine AT3.1524, build CN 31185), MF 362 (2WD 5726, 4WD wide 5727; engine A4.236, build LD 31234), MF 362H (2WD 9001, 4WD 9002), MF 362N (2WD 9153, 4WD narrow 9154), MF 365 (2WD 5270, 4WD 5271; engine A4.236, build LD 31190), MF 372 (2WD 5998, 4WD 5999; engine A4.236, build LD 31259), MF 372N (2WD 9137, 4WD 9138), MF 375 (2WD 5006, 4WD 5007; engine A4.236, build LD 31140), MF 375H (2WD 9003, 4WD 9162), MF 382 (engine A4.248, build LF 31258), MF 382N (4WD 9140), MF 383 (2WD 5266, 4WD 5742; engine A4.248, build LF 31141), MF 390 (2WD 5008, 4WD 5009; engine A4.248, build LF 31141), MF 390H (2WD 9163, 4WD 9004), MF 390T (2WD 5723, 4WD 5724; engine AT4.236, build LJ 31142), MF 393 (2WD 9131, 4WD 9132; engine AT4.236, build LJ 31142), MF 396 (2WD 9129, 4WD 9130; engine 1006.6, build YA 31251), MF 398 (2WD 5010, 4WD 5011; engine AT4.236, build LJ 31142), MF 399 (2WD 5012, 4WD 5013; engines A6.3544, build TW 31159, and 1006.6, build YA 31240).
Sub-models / Variants: 2WD, 4WD, wide axle, narrow axle, LoProfile cab, HiLine cab, Series 2 cab. The four-digit identifiers above are machine-type prefixes in the tractor serial number.
Years: 1986–2000 (1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000)
Transmission Variants: 8-speed manual Mk I standard, 8-speed manual Mk I ZF synchromesh, 6-speed manual shuttle, 12-speed manual Mk II synchromesh, 12-speed Multi-Power Mk II ZF synchromesh, 8-speed ZF synchromesh shuttle, 12-speed shuttle, 18-Speedshift, and creeper gearboxes.
8-speed Standard Gearbox Unit Numbers: MF 350/355/365 (12001); MF 360/362 (12002, 12008); MF 350/355/360 (12003); MF 355/360/362/365 (12005); MF 375/383/390 (12006, 12029); MF 375/390 (12007, 12013); MF 365 (12012, 12018, 12021); MF 375 (12017); MF 355 (12024); MF 390 (12026, 12030, 12031).
8-speed Synchromesh Gearbox Unit Numbers: MF 350/355/360 (12009); MF 350/355/360/365 (12010); MF 375/390 (12014, 12015); MF 365 (12016); MF 362 (12020); MF 355/360 (12022); MF 355 (12023); MF 340 (12032; 12033 with hydraulic pipes fitted).
12-speed Synchromesh Gearbox Unit Numbers: MF 350/355/360 (12200); MF 355/360/362/365 (12201, 12206); MF 375/390 (12202, 12203, 12207, 12208); MF 390/398/399 (12204); MF 390/398 (12209); MF 390/399 (12210); MF 365 (12211); MF 355/360/365 (12212); MF 340/355/360 (12214); MF 355 (12215).
Multi-Power Gearbox Unit Numbers: MF 375/390 (12402, 12403, 12407); MF 398 (12404); MF 398/399 (12405); MF 365 (12406).
Shuttle Gearbox Unit Numbers: 6-speed: MF 360 (12500, 12501). 8-speed: MF 355/360/362/365 (12513); MF 375/390 (12517, 12522, 12525); MF 360/362 (12518); MF 350/355/360 (12520); MF 355 (12521). 12-speed: MF 398/399 (12600, 12601); MF 365/375/390/390T (12601, 12602, 12603, 12604).
4WD Transfer Gearbox Variants: MF 340, normal duty (3612 661 M91, 3698 711 M91); MF 350–365 excluding 8-speed shuttle, normal duty (1693 607 M93, 3613 187 M91); MF 375–399 excluding 8-speed shuttle, heavy duty (1693 606 M93, 3613 186 M91); MF 350–365 with 8-speed shuttle, normal duty (3612 090 M91, 3613 933 M91); MF 375–390 with 8-speed shuttle, heavy duty (3612 089 M91, 3613 932 M91); MF 340 with 8-speed shuttle, normal duty (3613 935 M91).
Serial Numbers: Tractor serials: MF 382 (5153).
Engine Serial Breaks: MF 355, AT3.1524: up to U796441P / U796442P onwards; MF 365, A4.236: up to U261448S / U261449S onwards; MF 390, A4.248: up to U226834S / U226835S onwards; MF 390T/393/398, AT4.236: up to U219831S / U219832S onwards; MF 399, A6.3544: up to U793030P / U793031P onwards. These breaks distinguish engine specifications and fuel-system configurations.
Tractor Serial Breaks — Engine Changes: MF 365: 2WD N2929 onwards, 4WD N29314 onwards; MF 375: 2WD V49006 onwards, 4WD V49002 onwards; MF 390: 2WD N05287 onwards, 4WD N05294 onwards; MF 398: 2WD N06042 onwards, 4WD N05290 onwards; MF 399: 2WD N03471 onwards, 4WD N04024 onwards, plus North American tractors 2WD V52163 and 4WD VF52177.
Tractor Serial Breaks — Clutches and Transmissions: MF 350/355/360 spring-center clutch: interim version from V16040, final version from V39421. MF 365/375/390 with 12-speed gearbox: revised pressure plate from V23100, spring-center friction plate from V46291. MF 398 spring-center clutch: V14268 onwards. 12-speed shuttle bearing-preload design: S49116 onwards; range-selector design: up to B18008 / B18009 onwards. Cab-model engine/gearbox splitting procedures also distinguish B18009 onwards. 4WD transfer-box cassette seal: C45000 onwards, with separate retrofit provisions for tractors before S27159.
Tractor Serial Breaks — Brakes and PTO: Concentric brakes up to V39465; tangential brakes from V39466. Single-speed PTO shaft/seal arrangements: up to P38478, P38479–B21004, and B21005 onwards. Two-speed PTO: up to P38330, P38331–B21004, and B21005 onwards. Shiftable PTO: up to B21004 / B21005 onwards. Two-speed IPTO pressure revision: P19080 onwards. Later single-speed live PTO: B33002 onwards; later single-speed IPTO: B33007 onwards.
Tractor Serial Breaks — Hydraulics and Steering: Revised auxiliary relief-valve manifold: V47353 onwards. Internal cold-start valve: MF 365–398 from N04148, MF 399 from N02146. Hydrolock front differential and associated axle changes: N04464 onwards. Low-flow lift-pump non-adjustable relief valve: N42314 onwards. Revised pressure-maintaining valve: B33002 onwards. Steering pressure/pump-flow revisions: four-cylinder tractors from C09167, six-cylinder tractors from C09040. 18-Speedshift pressure-maintaining/control valve: C00022 onwards.
Tractor Serial Ranges — Wiring Diagrams: Early cab/footstep wiring: up to V52267. Footstep wiring: V52268–R15000 (3-cylinder), V52268–R14072 (4-cylinder), V52268–R14231 (6-cylinder), followed by R15001–S00000, R14073–S00000, and R14232–S00000 respectively. Cab wiring: V52268–P22199, then P22200–R15195 (3-cylinder), P22200–R15143 (4-cylinder), P22200–R15158 (6-cylinder), followed by R15196–S00000, R15144–S00000, and R15159–S00000 respectively. S01001 onwards includes separate MF 399 front wiring and other cab/footstep diagrams. Later harness sections cover footstep tractors from A29151 and cab tractors from B18009.
Tractor Serial Breaks — Cab Electrical Equipment: Earlier black-cab battery arrangements extend through N12069. Temperate-climate single-battery changes apply to LoProfile MF 362/365/375/390/390T from N12070 and HiLine MF 375/390/390T from N11006. Air-conditioning pressure-switch variants include low-pressure-only control up to R38106, combined high/low control after R38107, and separate high/low switches on early MF 399 tractors up to R16073.
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Engine cooling system: 82°C (180°F) nominal thermostat opening
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Radiator pressure cap: 0.75 bar (10 lbf/in²)
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Engine to gearbox fastener torque: 115 Nm (85 lbf ft)
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PTO output shaft: 35 mm (1.375 in) diameter, 6 splines for 540 rev/min
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Fuel injection piston displacement: 6.93 mm (0.273 in) for the MF 340 AD3.152 engine
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Maximum engine cubic capacity: 6.0 liter (365 cubic in) on 1006 series 6-cylinder models
Massey-Ferguson Manual Features & Content Preview
This Massey Ferguson MF 300 Series Manual Set combines the Tractor Workshop Manual, P/N 1449244M5, Issue 8 (Rev 12/96), with the Air Conditioning Workshop Service Manual, P/N 1856 729 M1. Coverage includes MF 340, 350, 360, 390, 399, and the other models listed above, with 2WD, 4WD, cab, and footstep configurations.
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Tractor splitting and clutches: Separation and reassembly of cab and footstep tractors, dual and split-torque clutch overhaul, and rod- and cable-operated clutch adjustments.
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Transmission repair: Standard, synchromesh, shuttle, Multi-Power, 18-Speedshift, and creeper gearboxes, with shaft and gear overhaul, clutch-pack service, and bearing-preload adjustments.
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Axles, brakes, and PTO: Epicyclic final drives, Comaxle 4WD front axles, No-Spin and Hydrolock differentials, oil-immersed disc brakes, and independent PTO clutch service.
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Hydraulics and steering: Orbitrol steering-unit and ram overhaul, hydraulic lift-pump repair, auxiliary valve service, pressure and flow tests, and lift-linkage adjustments.
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Engine support systems: Perkins engine specifications, cooling-system fault diagnosis, radiator removal, fuel-filter servicing, and dry-element and oil-bath air-cleaner maintenance.
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Electrical diagnosis: Instrument-panel testing, starter and alternator checks, wiring diagrams, and connector-pin and wire-color tables for cab and footstep tractors.
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Air conditioning: R-12 system testing, leak diagnosis, evacuation and charging procedures, compressor clutch and shaft-seal repair, and electrical fault finding.
The tractor workshop manual was written for Massey Ferguson dealers and distributors, with procedures that call for workshop equipment and application-specific service tools.
Engine Data, Cooling, and Fuel Systems
The engine tables cover Perkins AD3.152, AT3.1524, A4.236, A4.248, AT4.236, A6.3544, and 1006-series engines. Build codes and serial-dependent specifications distinguish versions, including the different engines fitted to the MF 399.
Engine repair scope: This set provides engine data and tractor-splitting procedures; full internal engine repair and overhaul require separate engine workshop manuals, which are not included.
Cooling-system diagnosis and radiator service sit alongside CAV distributor injection-pump and injector specifications. Fuel-tank, sender-unit, filter, and control-cable procedures cover the tractor's fuel system. Capacity tables distinguish engine, transmission, and front-axle applications.
Tractor Splitting and Transmission Overhaul
Gearbox identification tables link unit numbers to constant-mesh gears, PTO shafts, hydraulic-pump drives, and normal- or heavy-duty epicyclic units. That helps match replacement gears to the installed transmission before parts are ordered.
The 12-speed shuttle section includes range-change bearing-preload work using tool MF478. Multi-Power and 18-Speedshift sections add hydraulic pressure tests and clutch-pack overhaul. Inverted plan views of tractor mounting points accompany the dimensional data.
The splitting instructions warn that pulling misaligned housings together with bolts can damage the clutch, transmission, or PTO drive components. Shear-tube end-float checks are part of the documented reassembly work.
Axles, Brakes, and PTO Variations
Normal- and heavy-duty rear-axle sections cover epicyclic gear inspection and bearing preload. Front-axle repair distinguishes standard, No-Spin/Autolock, and Hydrolock arrangements, with separate narrow-axle and AG-series procedures. Wheel data includes PAVT cast-center applications.
Brake service separates concentric and tangential slave-cylinder systems and includes bleeding, balancing, and trailer-brake valve tests. PTO chapters distinguish single-speed, two-speed, shiftable, and independent systems, including serial-specific bearing and seal changes. Cassette-seal procedures identify dedicated installation tools, including MF490 for the 4WD transfer box.
Lift Hydraulics and Orbitrol Steering
Hydraulic coverage extends from lift-cover and pump overhaul to draft-control setup, static adjustments, and running adjustments. Auxiliary-system sections address pump output, filtration, pressure-maintaining valves, and spool-valve repair.
Illustrations include the Orbitrol steering unit circuit—neutral flow and the 18-Speedshift schematic hydraulic circuit. These show how steering, differential-lock, PTO, and transmission-control circuits relate to their respective test procedures.
Electrical Fault Tracing and Cab Air Conditioning
Electrical sections distinguish worldwide and North American harnesses, cab and footstep layouts, and production changes. Connector views identify pin numbers, wire destinations, and color codes; console-harness diagrams include the 12-speed shuttle and 18-Speedshift arrangements.
The separate air-conditioning publication addresses the original R-12 system. Its air-conditioning wiring diagram and pressure-temperature relationship chart support compressor-control checks and cooling diagnosis. Component procedures cover the compressor clutch, shaft seal, valve plate, receiver-drier, evaporator, and expansion valve.
Follow the complete workshop procedures when splitting the tractor, testing hydraulic circuits, or servicing pressurized refrigerant systems.
Examples from the Engine Torque and Cooling Tables
These two entries are a small selection of the engine reference data in the set. The A4.236 engine table lists cylinder-head fastener torque at 120 Nm with the engine cold.
For the MF 399 fitted with the A6.3544 engine, cooling-system capacity is listed as 20.1 liters. That entry is specific to the A6.3544 configuration.
Bookmarks, Diagram Detail, and Included Publications
Search and navigation: Text search is limited to the added cover; the manual pages are not searchable. Embedded bookmarks provide access to major tractor sections and the air-conditioning publication. Small wiring labels require zooming, and some older diagrams have faint lines and indistinct markings even when enlarged.
The download is one printable, 1,174-page PDF containing both publications:
| Publication | Pages |
|---|---|
| MF 300 Series Tractor Workshop Manual, Issue 8 | 1,085 |
| Air Conditioning Workshop Service Manual | 88 |
One additional front cover is already included in the 1,174-page total, along with the publications' contents, diagrams, and blank pages.
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