CASE David Brown 1190, 1194, 1290, 1294, 1390, 1394, 1490, 1494, 1594, 1690 Tractor Shop Manual

• Covers the 1190, 1194, 1290, 1294, 1390, 1394, 1490, 1494, 1594, and 1690 series tractors equipped with 3, 4, and 6-cylinder diesel engines.
• OEM Factory Manual (P/N 87500293).
• Spans 110 pages of factory-level data, including 219 exploded-view diagrams and 18 detailed specification tables.
• Provides exact torque values, electrical specifications, and assembly clearances for routine maintenance or complex component overhauls.

Technical Coverage Overview

Mechanical and Hydraulic Systems

This service manual maps out the core systems of CASE David Brown agricultural machines. You will find extensive documentation covering engine assembly, cylinder head repair, and precise fuel system timing. The chapters break down the overhaul process for both synchromesh and power shift transmissions. They also cover final drives and differential assemblies, paying special attention to the front-wheel drive axles from Carraro and David Brown. For hydraulic maintenance, the text outlines pump operation, steering valve rebuilds, and PTO clutch adjustments. This gives technicians the exact reference data needed for accurate bench work without relying on guesswork.

Specification Highlights

Accurate tolerances make or break a rebuild. For example, the crankshaft main journal diameter for the 1690 model is firmly set at 69.84–69.85 mm. The 1594 model requires a cooling system capacity of exactly 15.3 liters. When working on specific gearbox configurations, the pinion shaft nut tightening torque is specified at 270 N·m. Beyond these specific examples, the manual acts as a comprehensive factory reference for gear backlashes, fluid volumes, and bearing preloads across the entire lineup. Always verify proper procedures and exercise caution when working around heavy equipment; specialized repairs should be handled or reviewed by certified personnel to ensure safe operation.