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Kubota RK70 Engine
General Technical Data
Kubota RK70 Engine Specifications
Engine Model ............... Kubota RK70
Engine Type ............... Horizontal water-cooled 4-cycle diesel engine
Number of Cylinders ............... 1
Displacement, cc (cu.in) ............... 376 (22.9)
Cylinder Bore, mm (in) ............... 80.0 (3.15)
Piston Stroke, mm (in) ............... 75.0 (2.95)
Rated Engine Power, hp (kW) ............... 7.0 (5.2)
Rated Engine Speed, rpm ............... 2400
Maximum Torque, Nm (ft-lbs) ............... 22.6 (16.8)
Torque Speed, rpm ............... 1800
Compression Ratio ............... 24:1
Direction of Rotation ............... Counter-clockwise (facing flywheel)
Combustion System ............... Three vortex
Fuel System Type ............... Injection pump
Cooling System ............... Radiator
Lubrication System ............... Forced lubrication with trochoid pump
Starting System ............... Manual speed-doubling handle
Fuel Tank Capacity, L (gal) ............... 7.5 (2.0)
Oil Capacity, L (qts) ............... 2.0 (2.1)
Coolant Capacity, L (qts) ............... 1.3 (1.4)
Electrical System Rating, Volts ............... 12
Dimensions and Weight
Overall Length, mm (in) ............... 650 (25.6)
Overall Width, mm (in) ............... 323 (12.7)
Overall Height, mm (in) ............... 492 (19.4)
Net weight, kg (lbs) ............... 67.0 (147.7)
Kubota RK70 Maintenance Data
Engine Oil and Filters
Engine Oil Type ............... SAE 30, SAE 10W-30
Oil Classification (API Service) ............... CB or CC
Oil Capacity, L (qts) ............... 2.0 (2.1)
Fuel Filter Part Number ............... 15231-43560
Air Filter Part Number ............... 1T334-11011
Service Intervals
Change Engine Oil ............... Every 100 hours
Clean Fuel Filter ............... Every 100 hours
Clean Air Cleaner ............... Every 100 hours
Clean Oil Strainer ............... Every 100 hours
Clean Radiator Fins ............... Every 100 hours
Replace Fuel Filter ............... Every 300 hours
Replace Air Cleaner ............... Every 300 hours
Clean Fuel Tank ............... Every 300 hours
Check and Adjust Valve Clearance ............... Every 500 hours
Check Nozzle Injection Pressure ............... Every 500 hours
Clean Injection Nozzle ............... Every 800 hours
Change Engine Coolant ............... Every 800 hours
- VIEW ALL KUBOTA ENGINES
- Kubota OC60 Specs
- Kubota OC95 Specs
- Kubota RK60 Specs
- Kubota RK80 Specs
- Kubota RK95 Specs
- Kubota EA300 Specs
- Kubota EA330 Specs
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SPECIFICATIONS
LOADERS
ENGINES
MAINTENANCE
PROBLEMS________________________________________________________________________________________
| KUBOTA TRACTORS SPECIFICATIONS |
B1241
B1600
B1700
B1750
B21 Backhoe________________________________________________________________________________________
B2150
B2301
B2320
B2530
B26 Backhoe________________________________________________________________________________________
B2601
B2650HSD
B3030
B3350
B6000________________________________________________________________________________________
_______________________________________________________________________________________
B6100
B6200
B7000
B7001
B7100HST________________________________________________________________________________________
B7200
B7500
B7510
B7800
B8200HST________________________________________________________________________________________
BX1880
BX2200
BX2230
BX2350
BX2370________________________________________________________________________________________
BX23S
BX25 TLB
BX2660
BX2680
F3680________________________________________________________________________________________
L175
L185
L210
L225
L235________________________________________________________________________________________
L245
L260
L275
L285
L305________________________________________________________________________________________
GR2120
L1501
L2350
L2550
L2800________________________________________________________________________________________
L3010
L3200HST
L3301
L3400
L3560________________________________________________________________________________________
L3800
L4701
L5740
M5-091
M5-111________________________________________________________________________________________
M6060
M7040
M9540
M9960
MX5100________________________________________________________________________________________
| KUBOTA ENGINES DATA AND SERVICE SPECS |
D662
D722
D750
D782
D850________________________________________________________________________________________
D902
D905
D950
D1005
D1100________________________________________________________________________________________
D1105
D1503
D1703
D1803
V1200________________________________________________________________________________________
V1205
V1305
V1505
V2203
V2403________________________________________________________________________________________
Z482
Z602
Z750
Z1100
Z1300________________________________________________________________________________________
| KUBOTA FRONT END LOADERS |
B1630
BF400
BF400G
LA181
LA203________________________________________________________________________________________
LA211
LA243
LA271
LA272
LA301________________________________________________________________________________________
LA302
LA304
LA340
LA344
LA351________________________________________________________________________________________
LA352
LA364
LA401
LA402
LA403________________________________________________________________________________________
LA434
LA463
LA481
LA482
LA504________________________________________________________________________________________
LA513
LA514
LA524
LA525
LA534________________________________________________________________________________________
LA555
LA680
LA681
LA682
LA703________________________________________________________________________________________
LA714
LA723
LA724
LA764
LA765________________________________________________________________________________________
LA805
LA844
LA852
LA853
LA854________________________________________________________________________________________
LA1002
LA1055
LA1065
LA1153
LA1154________________________________________________________________________________________
LA1251
LA1301S
LA1353
LA1403
LA1601S________________________________________________________________________________________
LA1854
LA1944
LA1953
LA2253
LM2605________________________________________________________________________________________
| KUBOTA TRACTORS TROUBLESHOOTING | ||||
| L235 | L2501 | L2550 | L275 | L3110 |
| L3301 | L35 | L3710 | L3901 | L4310 |
| L5030 | M4700 | M5700 | M6040 | M6800 |
| M8200 | M8540 | M9000 | MX5100 | MX5200 |