Sakai Tandem Roller SW502S | 3.9 ton

Description

Sakai Tandem Roller SW502S | 3.9 ton

BELIALAT.COM support unit, parts, service, rental, maintenance contract, overhaul, reconditioned Sakai Tandem Roller SW502S | 3.9 ton

The Sakai SW502S (and its updated version, the SW502S-1) is a high-performance double-drum vibratory tandem roller.
While often referred to in the “3.9–4 ton” class, its actual maximum operating weight can reach up to 4,170 kg depending on the configuration.
Here are the detailed technical specifications for the Sakai SW502S-1:

Weights and Dimensions

Category Metric Specification Imperial
Specification.

Operating Weight 3,990 kg /8,800 lbs.
Max Operating Weight 4,170 kg / 9,195 lbs.

Overall Length 3,100 mm / 122 in.
lass=”yoast-text-mark” />>Overall Width 1,390 mm / 55 in.

Overall Height 1,705 mm / 67 in.
Wheelbase 2,300 mm / 91 in.

Compaction Width 1,300 mm / 51 in.
Drum Diameter 800 mm / 31.5 in.

Performance & Compaction

Centrifugal Force: 26.5 / 34.3 kN (Low / High).
Vibration Frequency: 55 Hz (3,300 vpm).

Amplitude: 0.27 / 0.35 mm (Low / High).
Travel Speed: 0 – 10 km/h (0 – 6.2 mph).

Gradeability: 38% (21circ).
Turning Radius: 3.0 m (Inside).

Engine & Drive System

Engine Model: Kubota V2203-M-ET04 (Interim Tier 4).
Type: Diesel, water-cooled, 4-cycle, 4-cylinder.

Rated Output: 10$29.1\text{ kW}$ (39 HP) @ 2,300 rpm.
Transmission: Hydrostatic (All-drum drive).

Brake System:

Service: Hydrostatic dynamic brake.
Secondary/Emergency: Spring-applied, hydraulically released (SAHR).
Parking: SAHR via panel button.

Fluid Capacities

Fuel Tank: 50 L (13 gal).
Hydraulic Oil Tank: 49 L (13 gal).
Sprinkler (Water) Tank: 310 L (82 gal) — Note: This large tank is a key feature for long operating hours without refilling.

Key Features

Eco Mode: Reduces fuel consumption by up to 20% while maintaining compaction performance.
Safety Features: Includes a “Neutral Start” system (the engine only starts when the F/R lever is in neutral) and a 1m x 1m visibility standard.

Maintenance: Features an anti-clog sprinkler system with triple filtration and oil bath lubrication for the drum vibrator mechanism.
Would you like me to compare these specs with a similar model, such as the Sakai TW504 (combination roller) or a competitor like the Caterpillar CB3.4?