KUBOTA HOR IZONTAL WATER-COOLED D IESEL ENG INE

RK IER IKND Ser i es D i sp l acemen t . 305 cc~ 1 , 181 cc

Max i mum Ou tpu t . 5. 0 HP-25 . 0 HP

R K70-N

R K80-1

R K95-1-N B

R K125-2

SPEC I F ICAT IONS

RK50

RK50-N RK50H

R K50-N B

1200 1aw3 i GW 1eeo 2 " 22W 1100a -

20 25 30 35 401 .

ENG INE REVOLUT ION

Mode l RK50 RK50-N RK50H RK50-NB Type Hor i zon t a l wa t er -coo l ed , 4-cyc l e d i ese l eng i ne Number o f cy l i nders 1 Bore x s t roke [mm ( i n . ) ] 72 x 75 (2 . 83 x 2 . 95) D i sp l acemen t [cc (cu . i n . ) ] 305(18 . 61)

Max i mum (HP / r . p . m . ) 5 . 0 / 2400

ou tpu t (kW / r . p . m . ) 3 . 73 / 2400

Con t i nuous ra t ed (HP / r . p . m . ) 4 . 5 / 2200 ou tpu t

(kW / r . p . m . ) 3 . 36 / 2200 Max i mum torque (kg f -m / r . p . m . ) 1 . 62 / 1800

Spec i f i c fue l consump t i on (a t con t i nuous ra t ed ou tpu t ) (g / HP-hr ) 208

Combus t i on sys t em Three vor t ex combus t i on sys t em Compress i on ra t i o 24 D i rec t i on o f revo l u t i on Coun t er -c l ockw i se ( f ac i ng f l ywhee l ) S t ar t i ng sys t em Manua l speed-doub l i ng hand l e I Ce l l s t ar t Lubr i ca t i ng sys t em Forced l ubr i ca t i on w i th t rocho i d pump Coo l i ng sys t em Rad i a tor Hopper Rad i a tor Fue l L i gh t d i ese l o i l (SAE No . 2-D)

Lubr i ca t i ng o i l AP I serv i ce CB-CC c l ass (SAE #30 , 20 , 10W-30)

Coo l i ng wa t er capac i t y [L (US ga l . ) ] 1 . 3 (0 . 34) 8 . 5 (2 . 25) 1 . 3 (0 . 34) Fue l t ank capac i t y [L (US ga l . ) ] 7 . 5( l . 98) Crankcase o i l capac i t y [L (US ga l . ) ] 2 . 0 (0 . 53) Dry we i gh t [kg ( Ibs . ) ] 64 (141 . 1) 62 (136 . 7) 72 (158 . 8)

Lamp and dynamo ou tpu t (V-W)

w i th l amp

12-45

w i thou t l amp

- Charge ou tpu t (V-A) - 12-1 . 6 S t ar t er power (V-kW) - - 12-1 . 0

PERFORMANCE R K50 / R K50-N / R K50H / R K50-N B

CURVES " "

" " " " " " " . . _ . " unn " E t

15r I15

J13 kgm Nm

nnnr " "_" . ! . . 3 a

2 3

k l ' J RP " ~n "n~~ in" O

v~~ ~U .yL~CpOUM

um"®n " 9kp~ ®T IO~~

~~~~~wo 1220[~gpu

U

4kwa1

D IMENS IONS (mm) A

K B

oo [a

1 1p IL q J _ _ _

I ~ S V E R W 4-11 ¢HOLE F

L

Mode l A B C D E F G H I J K L M N O P Q R S T U V W RK50(N) 650 236 492 419 - 182 103 140 435 322 . 5 175 . 5 306 0355 29 120 70 70 124 - 154 12 64 . 4 171 RK60 N) 650 236 492 419 - 182 103 140 435 322 . 5 175 . 5 306 10355 36 120 70 70 131 - 154 12 64 . 4 171 RK70 N 650 236 492 419 - 182 103 140 435 322 . 5 175 . 5 306 0355 43 120 70 70 138+--- 154 12 64 . 4 171 RK80-1 N 715 251 516 448 . 5 77 . 6 199 124 150 467 358 196 334 0362 36 132 . 5 72 68 140 98 160 8 - - R K95-1 N 715 251 516 448 . 5 77 . 6 199 124 150 467 358 196 334 0370 43 132 . 5 72 68 147 98 160 8 - - RK105-2(N 755 . 5 259 521 458 . 5 80 . 5 212 111 155 474 369 . 5 201 . 5 341 . 5 03801 45 135 . 5 75 95 152 - 170 10 - - R K125-2(N) 755 . 5 259 521 458 . 5 80 . 5 212 111 155 474 369 . 5 201 . 5 341 . 5 0380 50 135 . 5 75 95 157 - 170 10 - -

J A K

B

I " I 0 0 11

11

1 p f 1 - _ ` r I 0 5 V E R W

4-11 O 1LE F G

L

Mode l A B C D E F G H I J K L M N O P Q R S T U V W RK50NB 664 . 5 250 . 5 492 419 - 182 103 140 435 322 . 5 175 . 5 306 0350 42 120 70 70 144 - 154 12 64 . 4 171 RK60NB 664 . 5 250 . 5 492 419 - 182 103 140 435 322 . 5 175 . 5 306 0350 42 120 70 70 144 - 154 12 64 . 4 171 RK70NB 664 . 5 250 . 5 492 419 - 182 103 140 435 322 . 5 175 . 5 306 0350 42 120 70 70 144 - 154 12 64 . 4 171 RK80-1 NB 763 299 516 448 . 5 77 . 6 199 124 150 467 358 196 334 0370 40 132 . 5 72 68 147 98 160 8 - - RK95-1 NB 763 299 516 448 . 5 77 . 6 199 124 150 467 358 196 334 0370 40 132 . 5 72 68 147 98 160 8 - - RK105-2-NB 802 306 521 458 . 5 80 . 212 l 11 155 474 369 . 5 201 . 5 341 . 5 0380 45 135 . 5 75 95 150 - 170 10 - - RK125-2-NB 802 1306 521 458 . 5 80 . 5 1212 1 111 1 155 474 1369 . 5 1201 . 5 341 . 5 1 0380 45 1135 . 5 75 95 150 - 170 10 - -

B

N I I -~ R

o R

G 7 111

_ I Q s

~W

`~ _ "~

-

4-11¢HOLE

___

V F

. . .

G

1.

L

Mode l A B -CD E F G H I J K L I M N O P Q R S T U V W RK50H 645 231 492 452 - 182 103 140 436 322 . 5 175 . 5 306 103551 29 120 70 70 124 - 154 12 64 . 4 171 RK60H 645 231 492 452 - 182 -10-3-714-0 436 322 . 5 175 . 5 306 0355 36 120 70 70 131 - 154 12 64 . 4 171 RK70H 645 231 492 452 - 182 103 140 436 322 . 5 175 . 5 306 0355 43 120 70 70 138 - 154 12 64 . 4 171 RK80H-1 710 246 516 471 77 . 6 199 124 150 467 358 196 334 0362 36 132 . 5 72 68 140 98 160 8 - - RK95H-1 710 246 516 471 77 . 6 199 124 150 467 358 196 334 0370 43 132 . 5 72 68 147 98 160 8 - - RK105H-2 750 . 5 254 521 481 80 . 5 212 111 155 474 369 . 5 201 . 5 341 . 5 0380 50 135 . 5 75 95 157 - 170 10 - - RK125H-2 750 . 5 254 521 481 80 . 5 212 111 155 474 369 . 5 201 . 5 341 . 5 0380 50 135 . 5 75 95 157 - 170 10 - -

RK SER IES De t a i l o f F l ywhee l

M i l d

I FUN FaM

~r-

LT=44*. ~q~ t ,

3-M10

3-M10

Op t i ona l PTO (Op t i ona l a t ext ra cos t )

14912-84514 (PTO sha f t ) 1 pc . 01153-51035 (Bo l t ) 3 pcs . 04512-50100 (Washer spr i ng) 3 pcs .

Sur f ace to wh i ch f l ywhee l

05919-00750 (Key grad i en t ) 1 pc . adap tor i s a t t ached

7H8

55

107

3-011 ho l e

O

00 r N

ER / KND SER IES De t a i l o f F l ywhee l

3-M10

Op t i ona l PTO (Op t i ona l a t ext ra cos t )

14943-84413 (PTO sha f t ) 1 pc . 01153-51040 (Bo l t ) 3 pcs . 04512-50100 (Washer spr i ng) 3 pcs . 05919-01280 (Key grad i en t ) 1 pc .

E ID v O

S t andard Accessor i es Mode l RK SER IES ER / KND SER IES Fue l t ank 1 1 A i r c l eaner 1 1 Mu f f l er (s i l encer ) 1 1 Eng i ne eye bo l t 1 1 Ins t ruc t i on manua l 1 1 Ma i n t enance too l bag 1 1 12-14mm box spanner 1 1 10-12mm spanner 1 1 14-17mm spann er 1 1 19-22mm spanner 1 1 + , -dr i ver 1 1