Kumera - Front-end Gearboxes

Kumera has designed and manufactured thousands of front-end gearboxes to the maritime segment over the last 50 years, historically also under the brand name Norgear.

With an extensive standard range of front-end gearboxes available we can offer a solution for most applications at competitive prices.

Kumera front-end gearboxes are often used to drive several auxiliary systems per gearbox. The vessels also often mounted with an external firefighting system.

Tailor-made or customized gearboxes may also be designed and manufactured to meet the vessels requirements.

Kumera Marine Division has more than 50 years of experience in designing and manufacturing of gearboxes. There are more than 7.500 gearboxes currently in operation globally in the toughest marine conditions. 

Kumera - Front-end Gearboxes - 3
Kumera - Front-end Gearboxes - 4

Front-end gearbox product codes

  • FV: vertical shaft offset
  • FG: horizontal shaft offset
  • FVC: vertical shaft offset with integrated clutch
  • FGC: horizontal shaft offset with integrated clutch
  • FVIC / FGIC: gearboxes with integrated clutch and integrated pump for FiFi


In addition, the products code will contain a number indicating the centre distance between the in and out shafts.
Kumera also delivers a range of clutch units, i.e. gearboxes with an integrated hydraulic clutch, and transmission ratio of 1:1. 

Kumera - Front-end Gearboxes - 5

Single in - single out, vertical offset (FV)

Kumera has the following standard range of single in – single out, vertical offset gearboxes:

FVC-250
FVEC-260-75
FVEC-260-15
FVIC-275
FVEC-280
FVC-315
FVC-355
FVC-400
FVC-450
FVC-550
FVC-900 

Kumera - Front-end Gearboxes - Standard range - Vertical offset

Note: Underlined models can be delivered with an interface to integrate a FiFi pump to the gearbox

Dimensions FVC, FV 

Type

A

B

C

D

F1

F2

G

H

H1

H2

H3

S

T1

T2

-260-75

720

393

45

26

660

189

85

1052

420

45

215

260

24,5

256,5

-260-15

720

393

45

26

660

189

85

1052

420

45

215

260

241,5

286,5

-280

950

530

100

35

850

212

132

1016

450

60

215

280

300

300

-315

950

530

100

35

850

212

132

1070

450

60

215

315

300

300

-355

950

530

100

35

850

212

132

1110

450

60

215

355

300

300

-400

1160

605

105

35

1020

228

150

1410

600

60

300

400

340

340

-450

1160

605

105

35

1020

228

150

1460

600

60

300

450

340

340

-550

1300

800

65

35

1200

330

 

1440

650

65

330

550

400

400

-900

1400

520

65

35

1300

175

150

1908

600

65

300

900

315

310

Single in - single out, horizontal offset (FG)

Kumera has the following standard range of single in – single out, horizontal offset gearboxes:

2FGC-225
2FGEC-280
2FGEC-2280
2FGEC-2340
2FGC-315
2FGC-355
2FGC-400
2FGC-450
2FGC-500
2FG-2000 

Kumera - Front-end Gearboxes - Standard range - Horizontal offset

Note: Underlined models can be delivered with an interface to integrate a FiFi pump to the gearbox

Dimensions 2FGC, 2FG 

Type

A

B

C

D

F1

F2

G

H

H1

H2

H3

P

S

T1

T2

-200

800

350

65

26

720

125

80

621

330

220

40

300

200

205

205

-225

800

350

65

26

720

125

80

621

330

220

40

295

225

205

205

-250

950

430

65

35

870

165

85

791

410

310

40

360

250

250

250

-280

950

430

65

35

870

165

85

791

410

310

40

360

280

250

250

-315

1150

530

80

35

1050

212

100

920

480

350

50

450

315

300

300

-355

1150

530

80

35

1050

212

100

920

480

350

50

450

355

300

300

-400

1400

605

100

35

1300

227,5

112

1160

600

450

60

550

400

340

340

-450

1400

605

100

35

1300

227,5

112

1160

600

450

60

550

450

340

340

Single in - multiple out

Kumera has the following standard range of single in – multiple out gearboxes:

4FGC-280
4FGC-335
4FGC-820
4FGC-1100
6FGC-280
6FGC-335
8FG-280
8FGC-335 

Kumera - Front-end Gearboxes - Standard range - Multiple out

Note: Underlined models can be delivered with an interface to integrate a FiFi pump to the gearbox

Dimensions 8 FGC, 6 FGC, 4FCC, 8 FG, 6 FG, 4 FG 

Type

A

B

C

D

E

F1

F2

G

H

H1

H2

H3

H4

H5

P

S1

S2

S3

S4

S5

S6

T1

T2

-280

1100

420

70

25

230

7020

160

85

965

400

35

475

785

295

270

280

280

245,3

135

135

280

250

250

-335

1260

430

70

25

255

1180

160

85

1120

475

35

555

910

345

295

335

335

293,2

162

162

335

250

250

1100

2630

605

60

35

699

2530

227,5

190

N/A

800

60

N/A

1500

610

515

568

534

N/A

N/A

N/A

N/A

302,5

302,5

Clutch units

Kumera has the following standard range of single in – single out, horizontal offset gearboxes:

NKHU-3500
NKHU-7500
NKHU-15000
NKHU-60000 

Kumera - Front-end Gearboxes - Clutch unit
Note: Underlined models can be delivered with an interface to integrate a FiFi pump to the gearbox.

 

h1

h2

b1

b2

b3

L1

L2

l1

l2

D1

d1

w1

D2

d2

w2

Weight

NKHU-3500

370

500

680

630

75

470

470

320

320

80

71

22

80

71

22

500

NKHU-7500

440

530

680

630

75

530

530

380

380

90

81

25

100

90

28

700

NKHU-15000

440

530

680

630

75

530

585

380

380

110

100

28

125

114

32

750

NKHU-22500

440

530

680

630

75

530

585

380

380

110

100

28

125

114

32

800

Sales, Service and Maintenance

We at Kumera are happy to serve customers world-wide. Kindly do not hesitate to contact us in any gearbox related issues.

Benefits

  • High efficiency – Minimizing power loss and saving energy
  • Modular structure – The ability of adding additional equipment and variety of mounting arrangements
  • Several gearbox sizes and wide range of ratios – Guarantees optimal gearbox size
  • Flexible product structure – Easy to customize for the customer needs 

After Sales Services

  • Start-up and installation services
  • Maintenance services
  • Regular inspection visits
  • Maintenance consulting services 

Marine Gearboxes, Propellers & Propulsions and Applications

Marine Gearboxes, Propellers & Propulsions and Applications