Komatsu PC12 R-8

 
Features
Full Specs
Charts
 

Features

Full Specs

 
Engine
Model  Komatsu 3D68 - N3FA 
Type  low emissions 4 cycle diesel engine 
N° of cylinders 
Displacement  784 cm³ 
Cyl. bore x stroke  68 x 72 mm 
Combustion  swirl pre-combustion chamber type (IDI) 
Aspiration  natural aspiration 
Cooling system  radiator 
Max. power  12,7 kW - 17 HP 
Rated power   
(SAE J 1349)  10,6 kW / 14,3 HP - 2450 rpm 
(80/1269/EC)  10,3 kW / 14,0 HP - 2450 rpm 
Max. torque  49 Nm - 1800 rpm 
 
Hydraulic System
The digging equipment is completely servo controlled by means of two control sticks mounted on tiltable cases in order to make it easy to get on and off the machine and to disconnect said equipment during such moves. 
Type  Komatsu CLSS 
Pumps type  3 x gear pump 
Max. delivery  25 + 10,3 + 6,8 l/min 
Hydraulic motors   
travel  2 x axial pistons 
swing  1 x orbital motors 
Operating pressures   
working equipment  18,6 MPa (186 bar) 
travel  18,6 MPa (186 bar) 
swing  12,3 MPa (123 bar) 
Hydraulic cylinders   
Cyl. bore x stroke   
boom  55x354 - 55x342 (kab) mm 
arm  50 x 453 mm 
bucket  50 x 378 mm 
boom rotation  60 x 313 mm 
blade  60 x 60 mm 
 
Electric System
Operating voltage  12 V 
Alternator  20 A 
Battery  45 Ah 
Starter motor  0,9 kW 
 
Swing System
The rotation is operated by means of an orbital hydraulic motor. Single ball - bearing ring with internal, induction hardened toothring. Centralised lubrication of the unit. 
Swing speed  9 rpm 
Boom angle (max.)  50° rechts / 90° links 
 
Blade
Type  electrowelded, single unit structure 
Width x height  1000 x 250 mm 
Max. lifting above ground level  175 mm 
Max. depth below ground level  155 mm 
 
Undercarriage
Central lower frame and carriage frame with boxed section. Hydraulically operated track extension ( HS version). 
Shoes  nb. 31 
Track rollers 
Shoes width (steel/rubber)  230 mm 
Ground pressure (std version)  0,28 kg/cm² 
 
Transmission
Type  hydrostatic transmission, controlled and steered by means of two levers with two pedals 
Hydraulic motors  with axial pistons 
Reduction system  epicyclic reduction gear 
Max. traction force  1130 daN (1155 kgf) 
Travel speed  2 km/h 
 
Noise Level
The values are given according to the directive EC 89/514 and EC 95/27. 
Dynamic test   
Sound power level  94 LwA 
Sound pressure level  74 LpA 
 
Weight
Operating weight with rubber shoe  1475 kg 
Operating weight with steel shoe  1550 kg 
Heated cab weight  + 130 kg (optional) 
Variable undercarriage weight (HS version)  + 80 kg (optional) 
 
Capacities
Fuel tank  20 l 
Radiator and system  3,2 l 
Engine oil  2,8 l 
Final reduction gears (for each side)  0,6 l 
Hydraulic oil tank  23 l 
 

Charts
Digging Diagram


With cab: * 3250 (3326) mm ; ** 2250 (2351) mm ; *** 2370 mm ( )Dimensions with 1130 mm arm length

Front swing radius with 90° off-set boom    
Arm length 880 mm 1130 mm
Canopy 985 mm 1050 mm
Cab 1080 mm 1140 mm


Working Equipment

Arm lenght mm 880 1130
Bucket breakout force (ISO 6015) daN (kg) 1320 (1350) 1320 (1350)
Arm digging force (ISO 6015) daN (kg) 825 (840) 706 (720)


Dimensions

Bucket ISO 7451 Width mm Weight kg N° of teeth Arm 880 mm Arm 1130mm
0,03 m³ 250 20 2 0 0
0,035 m³ 300 23 3 0 0
0,04 m³ 350 24 3 0 0
0,05 m³ 400 25 3 0 x
0,06 m³ 450 26 4 0 x
This table is based on the lateral stability at the maximum outreach with full bucket
- 0 with material density up to 1,8 t/m³
- X non usable