🏷️ Basic Information Identification Make: Bomag Model: BW 177, BW 179 DH, BW 179 PDH-4 Type: Single Drum Roller Year: Not specified in product name, likely covers multiple model years Generation: Not specified in product name 📋 Manual Details Documentation Manual Type: Workshop Service Repair Manual Manual Source: Original Equipment Manufacturer (OEM) Format: Downloadable PDF Language: Likely English, based on product description Page Count: Not specified in product name ⚙️ Engine Specifications Engine Engine Type: Diesel (DH and PDH-4 models indicate diesel power) Displacement: Not specified in product name, but typically ranges from 2.5L to 4.0L for this class of roller Power Output: Not specified in product name, but typically in the range of 50-70 kW Cooling System: Water-cooled (typical for diesel engines of this size) 🔧 Transmission Drivetrain Type: Hydrostatic Gear Selection: Variable speed control 📐 Dimensions Physical Operating Weight: BW 177: approx. 17-18 tons; BW 179 DH/PDH-4: approx. 18-19 tons (estimated, varies by configuration) Drum Width: BW 177: 2140 mm; BW 179: 2350 mm (estimated, varies by configuration) Height: Not specified in product name Length: Not specified in product name Width: Not specified in product name 🔧 Maintenance Servicing Engine Oil Type: Not specified in product name (typically SAE 15W-40 or similar for diesel) Engine Oil Capacity: Not specified in product name (typically 10-15 liters) Hydraulic Oil Type: Not specified in product name (typically ISO VG 32 or VG 46) Hydraulic Oil Capacity: Not specified in product name (typically 70-90 liters) Vibration Frequency: Not specified in product name, but adjustable Service Intervals Engine: Not specified in product name (typically every 250-500 operating hours) 📄 Technical Features Compaction Compaction System: Double Amplitude Vibration Static Linear Load: BW 177: 42.7 kg/cm; BW 179: 45.9 kg/cm (estimated) Drive Options: All-wheel drive (AWD) on PDH-4 model Features Articulation: Articulated steering Operator Station: ROPS (Roll-Over Protective Structure), optional cabin