SEM Track Type Tractor
Dual path hydrostatic drive with electronic control technology
• Leverage Caterpillar technology and experience on TTT designing and production
• Single lever for speed changes,Website:, direction control, counter rotation, power-steering operation delivers higher efficiency.
• Counter-rotation and power-steering feature delivers excellent maneuverability on job sites.
• Counter rotation—Tracks counter rotate to provide best in class maneuverability.
• Power-steering —Machine maintains full power through steering to increase productivity.
Comfortable Operation
• Multi-function joystick allows for counter-rotation, powered turn and cruise control reduce operator’s working loading and improve the productivity.
• Pilot joystick control provides comfortable precise blade operation.
• Fuel level indicator is standard so that operator can know the instant fuel volume and charge it in time.
Blade and implementation system
• SU blade combines the excellent penetration of the S blade and the high production capacity of the U blade.
• L-shaped push arms bring the blade closer to the machine, providing excellent maneuverability, balance and blade penetration.
• Blades feature a strong box section design, made from high tensile strength steel to stand up to the most severe applications.
Undercarriageand brake system
• Undercarriage is provided by a world class supplier ensures high reliability and resistance to wear.
• Carrier rollers track rollers and idle rollers are all maintenance free.
• Planetary final drive design delivers increased torque ratio for higher transmission efficiency and lower maintenance cost.
• Durable final drive bearings and multiple wet disc brakes provide reliability, reduce system heat and extend overall life.
Structures
• Machine structures are analyzed using Finite Element Analysis (FEA) and On Machine Stress Analysis (OMSA) to identify and protect high stress areas.
• Advanced structure welding technique, relieving welding stress.
Cooling system
• Standard cooling system meets -43°C ambient temperatures heat exchange requirementand +50°C high ambient cooling package is optional.
• Modular designed radiator, avoid the interaction easy to disassemble and reassemble.
•Hinged radiator louvered guard allows easy accessfor daily maintenance.
Maintenance
• Electronic Control Module (ECM) fault diagnosis system,automatic diagnosis of eight key parameters.
• Monitoring system provides three levels alarming for signals from different system,easily indicate the location or system the failures or defects from
• Small volume transmission oil requirement for hydrostatic system (40L only) with longer service interval (2000 hrs),reduces maintenance cost by 60%.
• Implement valve mounted outside of hydraulic tank provides easy access to check and service.
Model
SEM816
SEM816LGP
SEM822
SEM822LGP
Operating Weight
17,230 kg
19,720 kg
23,680 kg
25,400 kg
Ground Pressure
68 kPa
31.5 kPa
70 kPa
39 kPa
Ground Clearance
410 mm
435 mm
394 mm
394 mm
Max.Gradeability
30
30o
30o
30o
Engine
Model
Weichai
WD10G
178E25
Weichai
WD10G178E25
Weichai
WD12G240E26
Weichai WD12G240E26
Flywheel Power
120 kW /
160 hp
120 kW / 160 hp
162 kW / 220 hp
162 kW /
220 hp
Working Tool
Blade Type
SU
( S Blade is
Option )
S
SU
(U Blade is
Option)
S
Blade Capacity
4.3 m 3
( S 3.4 m³)
3.4 m3
6.4 m 3 U
7.5 m 3
5.5 m3
Blade Width
3,140 mm
(S 3,490mm )
4,227 mm
3,720 mm U 4,015 mm
4,617 mm
Blade height
1,240mm
( S 1,165mm )
1,000mm
1,511 mm U 1,420 mm
1,345 mm
Max. Blade Digging
Depth
430 mm
470 mm
563 mm
600 mm
Max. Blade Lift
Ground Clearance
1,041 mm
1,055 mm
1,140 mm
1,165 mm
Max.OutputRimpull
280 kN
280 kN
350 kN
350 kN
Maximum Digging
Depth Of Ripper
584 mm
N/A
650 mm
N/A
Maximum Clearance
Under Tip
615 mm
N/A
640 mm
N/A
Powertrain
Type
Electronic control,
Dual-path,
Hydrostatic Drive
Electronic control,
Dual-path,
Hydrostatic Drive
Electronic control,
Dual-path,
Hydrostatic Drive
Electronic control,
Dual-path,
Hydrostatic Drive
Travel Speed- F/R
0 - 10 km/hr
(Infinitely Variable
Speed Control)
0 - 10 km/hr (Infinitely Variable
Speed Control)
0 - 11.5 km/hr (Infinitely Variable
Speed Control)
0 - 11.5 km/hr (Infinitely Variable
Speed Control)
Steering & Brake
Hydrostatic
Steering,
Wet,
Multiple-Disc
Brakes
Hydrostatic Steering,
Wet, Multiple-Disc Brakes
Hydrostatic Steering,
Wet, Multiple-Disc Brakes
Hydrostatic
Steering,
Wet, Multiple-Disc Brakes
Minimum Steering
Radius
3610mm
(Counter-rotation
available)
3,740 mm (Counter-rotatedavaliable)
4,225mm (Counter-rotated avaliable)
4,300mm
(Counter-rotated avaliable)
Undercarriage
Track Shoe Width
510 mm
1,050 mm
560 mm
915 mm
Track Shoe Quantity
37 piece
42 piece
40 piece
45 piece
Length Of Track
On Ground
2,430 mm
2,925 mm
2,948 mm
3,488 mm
Track Gauge
1,880 mm
2,300 mm
2,000 mm
2,340 mm
Track Roller
Quantity
6/Side
7/Side
7/Side
8/Side
Carrier Roller
Quantity
2/Side
2/Side
2/Side
2/Side
Hydraulic System
Type
Pilot Control
Pilot Control
Pilot Control
Pilot Control
Implement Hydraulic
SystemPressure
19 Mpa
19 Mpa
19 Mpa
19 Mpa
Service Refill
Capacities
Cooling system
45 L
45 L
45 L
45 L
Hydrostatic Oil
40 L
40 L
62 L
62 L
Implement Oil
60 L
60 L
110 L
110 L
Fuel
320 L
320 L
460 L
460 L
Pivot Shaft Case
(each side)
1.2 L
1.2 L
0.8 L
0.8 L
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