Sakai Drum Roller SV526TF | 12.9 ton

Description

Sakai Drum Roller SV526TF | 12.9 ton

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Specification Unit Sakai Drum Roller SV526TF | 12.9 ton

The Sakai SV526TF is a high-performance, 13-ton class vibratory single drum roller (Combi type) designed for medium to heavy soil compaction.
It is part of the 7th generation of Sakai’s reputable 10-ton series, featuring an all-wheel-drive system and enhanced operator safety.
Below are the detailed technical specifications for the unit:

Weights & Dimensions

The SV526TF is characterized by its “Combi Drum” configuration, contributing to its higher operating weight compared to the standard smooth drum models.

Category Specification

Max. Operating Weight 12,935 kg (approx. 12.9 tons).
Operating Weight 12,845 kg.
Load on Front Axle 8,440 kg.
Load on Rear Axle 4,405 kg.
Overall Length 5,810 mm.
Overall Width 2,300 mm.
Max Height (with Awning) 2,985 mm.
Wheelbase 2,970 mm.
Compaction Width 2,130 mm.

Engine & Performance

Powered by a reliable Isuzu turbocharged engine, the unit is built for fuel efficiency and steady power delivery.
Engine Model: Isuzu “4BG1T” (EPA Tier 2 equivalent).
Type: Water-cooled, 4-cycle, 4-cylinder, direct injection with Turbocharger.
Rated Output: 83.3 kW (112 HP) @ 2,100 rpm.
Travel Speed: 2 Speeds (0–6 km/h and 0–10 km/h).
Gradeability: 49% (26°).
Fuel Tank Capacity: 215 Liters.

Vibratory System

The SV526 series is known for its high centrifugal force, ensuring uniform density throughout material layers.
Centrifugal Force: 150 kN (Low) / 255 kN (High).
Frequency: 33.3 Hz (2,000 vpm) / 28.8 Hz (1,730 vpm).
Amplitude: 0.53 mm (Low) / 1.25 mm (High).
Vibrator Type: Single eccentric shaft type.
Transmission: Hydrostatic.

Key Features

ECO Compaction Mode: A standard feature that helps reduce fuel consumption while maintaining performance.
All-Wheel Drive: Standard all-wheel (drum and tires) drive system for superior traction on tough terrain.
Safety Systems: Features a triple brake system (service, parking, and emergency pedal brake) and Sakai’s unique shock-absorbing system to reduce vibration for the operator.
Maneuverability: Articulated steering with ±37° articulation and ±9° oscillation for stability on uneven ground.
Note: The “TF” designation typically refers to a Taper Foot (padfoot) or a Combi configuration depending on the specific regional catalog. The 12.9-ton version is most commonly the Combi drum setup with an awning.

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)