Sakai Drum Roller SV520TF | 12.9 ton

Description

Sakai Drum Roller SV520TF | 12.9 ton

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Specification Unit Sakai Drum Roller SV520TF | 12.9 ton

The Sakai SV520TF is a high-performance, 13-ton class vibratory single-drum roller designed for medium to large soil compaction projects.
The “TF” designation typically refers to its padfoot drum configuration (often a combi-style with a scraper system), which is ideal for cohesive soils like clay and silt.
Below are the detailed technical specifications for the unit:

Weights & Dimensions

The SV520TF is significantly heavier than the standard smooth-drum version (SV520D) due to the added weight of the padfoot drum and scraper system.
Specification Metric Value (Imperial Value)
Max. Operating Weight 13,060 kg (28,795 lbs).
Operating Weight 12,970 kg (28,595 lbs).
Load on Front Axle 8,090 kg (17,840 lbs).
Load on Rear Axle 4,880 kg (10,760 lbs).
lass=”yoast-text-mark” />>Overall Length 5,840 mm (230 in).
=”yoast-text-mark” />>Overall Width 2,295 mm (90 in).<br class=”yoast-text-mark” />>Overall Height (with Awning/Cab) 2,935 mm (116 in).
Wheelbase 2,970 mm (117 in).

Performance & Compaction

The SV520 series is known for high centrifugal force, allowing it to reach target density in fewer passes.
Centrifugal Force: 172 kN (Low) / 255 kN (High).
Vibration Frequency: 28.3 Hz (Low) / 33.3 Hz (High).
Amplitude: 0.62 mm / 1.27 mm.
Drum Width: 2,130 mm (84 in).
Drum Diameter (over pads): 1,650 mm (65 in).
Number of Pads: 140.
Pad Height: 100 mm (4 in).
Max. Travel Speed: 10 km/h (6.2 mph).
Gradeability: 49% (26°).

Engine & Drive System

The unit utilizes a reliable Isuzu engine paired with a hydrostatic drive system for all-wheel traction.
Engine Make/Model: Isuzu 4BG1T (EPA Tier 2 equivalent).
Engine Type: Diesel, 4-cycle, 4-cylinder, Water-cooled with Turbocharger.
Rated Output: 83.3 kW (13$112$ HP) @ 2,100 rpm.
Displacement: 4.329 L.
Transmission: Hydrostatic (2-speed shifts).
Drive Wheels: All-wheel drive (Drum and Tires).
Steering: Articulated (Hydraulic) with 18$\pm 37^{\circ}$ articulation and 19$\pm 9^{\circ}$ oscillation.

Capacities & Features

Fuel Tank: 210 L (55.5 gal) — Note: Some regional variants list up to 265 L.
Hydraulic Oil Tank: 50 L (13.2 gal).
Brake System: Four-way brake system (Service, Secondary, Parking, and Emergency).
Eco Mode: Includes Sakai’s ECM (Eco Compaction Mode), which can reduce fuel consumption by up to 20% without sacrificing performance.
Note: Specifications can vary slightly depending on the year of manufacture (2018–2025) and whether the unit is equipped with a ROPS canopy or a fully enclosed A/C cabin.

Engine

Model : KUBOTA V3300.
Type : Water-cooled, 4-cycle direct injection.

Engine power
at rated engine speed 2800 rpm
ISO 14396 34.3 kW / 46.0 HP
ISO 9249 (net engine power) 33.7 kW / 45.2 HP

No. of cylinders : 4
Bore × stroke : 88 × 90 mm.

Displacement : 2.19 l.
Max. torque / engine speed :140 Nm / 1820 rpm.
Cooling system : Water

Fuel

Diesel fuel, conforming to EN590
Class 2/Grade D. Paraffinic fuel
capability (HVO, GTL, BTL),
conforming to EN 15940:2016

Transmission

Type : Hydrostatic
Pumps : 2 × variable displacement.

Hydraulic motors : 2 × axial pistons.
No. of speeds : 2.

Max. travel speed 16 km/h
Automatic working and parking brakes

Hydraulic system

Type Komatsu CLSS
Hydraulic pump Gear pump.

Max. pump flow 62 l/min
Max. operating pressure 190 bar
Max. pump flow – “Super Flow” (option) 100 l/min

Performance

Rated operating capacity : 345 kg  ( 760.60 in )
Tipping load : 690 kg ( 1521.19 in ).

Maximum travel speed : 10.3 km/h  ( 6.4 mph )
Maximum drawbar pull : 10.1 kN ( 2270.57 lbf ).

Lift arm breakout force : 7.6 kN ( 1708.55 lbf )
Bucket breakout force : 8.7 kN ( 1955.84 lbf )
Gradeability : 25°

Hydraulic System

Maximum flow : 38 L/min ( 10.04 gal/min )
Pressure – Working equipment circuit : 19 MPa ( 2755.72 psi ).

Pressure – Travel circuit : 25 MPa ( 3625.94 psi )
Pressure – Pilot circuit : 2.4 MPa ( 348.09 psi )

Loader

Operating capacity (standard bucket) 680 kg
Tipping load (standard bucket) 1360 kg.

Standard bucket capacity (ISO 7546) 0.35 m³
Bucket breakout force (ISO 14397) 1383 daN (1410 kg).

Operating capacity with pallet forks 490 kg
Max. loading height with forks 2660 mm
Reach with forks 1565 mm

Operating weight (appr.)

Weight, including open cab, operator (75 kg), liquids,
filled tank and standard equipment (without bucket) : 2675 kg.

Standard bucket (1580 mm) + 172 kg
Additional counterweight + 120 kg
Front door + 40 kg

Service refill capacities

Fuel tank 67 l
Cooling system 9.0 l
Engine oil 7.5 l
Hydraulic system 27 l
Final transmission 14.4 l

Environment

Engine emissions Fully complies with EU Stage V
exhaust emission regulations.

Noise levels.
LwA external 85 dB(A) (2000/14/EC Stage II)
LpA operator ear 101 dB(A) (ISO 6396 dynamic test).

Vibration levels (EN 12096:1997)
Hand/arm ≤ 2.5 m/s² (uncertainty K = 1.2 m/s²)
Body ≤ 0.5 m/s² (uncertainty K = 0.2 m/s²)