1976-1987 Kubota L185, L235, L245, L275, L285, L295, L305, L345, L355 Tractor Shop Manual
Kubota Models Covered & Key Technical Specifications
Models: L185, L235, L245, L275, L285, L295, L305, L345, L355
Sub-models / Variants: 2WD, 4WD, Dual Stage Clutch, Single Plate Clutch, Shuttle Transmission, Mechanical Shuttle
Trade Names: Kubota L Series
Model Years: 1976–1987
Technical Data:
- Engine models: Z751A, D1102A, D1101A, D1302A, V1501A, D1301A, V1702A
- PTO Power: 11.5 kW (15.45 HP) to 21.9 kW (29.35 HP)
- Valve clearance: 0.18–0.22 mm (0.007–0.009 in.)
- Injection timing: 25° BTDC
- Crankshaft main journal diameter: 51.921–51.940 mm (2.0441–2.0449 in.)
- Coolant system capacity: 5.3 L (5.6 qts.) to 7.0 L (7.4 qts.)
- Transmission oil capacity (2WD/4WD): 22 L to 32 L
- Alternator regulated voltage: 13.8–14.8 volts
Kubota Manual Features & Content Preview
- Covers the 1976–1987 Kubota L185, L235, L245, L275, L285, L295, L305, L345, and L355 tractor models with 2-cylinder, 3-cylinder, and 4-cylinder engine configurations
- Official publication K-201, Penton Media (Clymer) technical documentation
- Documents over 150 exploded-view diagrams, transmission shifting layouts, hydraulic circuit components, and specialized torque specification tables
- Serves as the primary technical reference for the full L-series tractor range, detailing internal components from the engine block to the final drive
Technical Breakdown and System Walkthrough
This shop manual documents the mechanical specifications and internal assembly for the L185 through L355 tractor line. It delivers precise structural breakdowns for the engine, transmission, steering system, and final drive assemblies. Mechanics will find the tractor segmented into logical systems, offering direct access to critical data covering fuel injection timing, clutch adjustment, differential gear mesh, and steering gearbox internals. The guide thoroughly details the Bosch K-type injection pump alongside the various multi-stage transmission units and hydraulic lift circuitry tailored to these specific engine models. Always ensure standard heavy equipment safety protocols are in place and work area ventilation is adequate before beginning any teardown or diagnostic work.
Specification Highlights and Reference Values
The technical reference delivers crucial data for maintaining the tractor series in a professional or farm workshop. Exacting torque specs matter during a rebuild. For instance, the final drive axle cover secures at 48–56 Nm (36–41 ft.-lbs.). Valve clearance for both intake and exhaust requires a precise 0.18–0.22 mm. The L285 high idle speed sits at 2550 rpm, while glow plug resistance is listed at approximately 1.5 ohms. Condensed data tables provide the detailed clearance specifications for crankshaft journals and pump rotors necessary to ensure accurate reassembly dimensions.
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