The engineering result of careful market research:

Small, light, powerful and universally applicable

1.4 - 7.7 kW • 1.8 - 10.5 HP

MOTORENFABRIK HATZ

D-94099 RUHSTORF • GERMANY

Tel: 0 85 31 / 319-0 • Fax: 31 94 18 • http://www.hatz-diesel.de • eMail: marketing@hatz-diesel.de

5 / 629 E Printed in Germany • Modifications, which serve the technical improvements, are reserved.

Design

• Air-cooled single-cylinder 4-stroke Diesel engine.

• Vertical cylinder.

• Light alloy diecast cylinder crankcase.

• Light alloy cylinder head.

• Forged crankshaft

• Light alloy piston for low free forces of gravity.

• Labrication by pressurised circulation of oil, fine screen filtering in main flow.

• Valve control by rocker, push-rods and tappets.

Characteristics

• Direct injection.

• Compression 1:22. Good cold start performance.

• Fuel orientated mixture preparation. Result: excellent exhaust quality.

• Speed regulation by spring-loaded governor.

Proportionality < 5% at 3000 / 3600 r.p.m.

• The control cover houses the governor, the entire valve drive, the injector pump drive

and the automatic decompression system and oil pump.

• Oil drain on both (narrow) sides of the engine. This gives free access of at least one drain

position for almost all installations.

• Dry air filter with paper cartridge and integrated pre-cleaner.

• Cooling fan and AC generator incorporated in the flywheel (not sensitive to dust).

• 4 seperate engine feet permit mounting on uneven foundations.

Differences of level of up to 1 mm can be corrected.

• Exhaust outlet flexible as regards both position and direction of exit.

1B20 1B30 1B40 • •

Number of cylinders

Bore x Stroke

Displacement

Mean piston speed at 3000 r.p.m.

Lub. oil consumptionCompression ratio

Lub. oil capacity max. / min.

Speed controlIdle speed

Static speed droop

mminches

lcu.in.m/s

ft/min

lUS qts

1B20

1B20

1

0.23214.15

6.21221

21.166.9

1358

0.347

69 x 622.72 x 2.44

0.9 / 0.40.95 / 0.42

approx. 1% of fuel consumtion, related to fuel load2222

approx. 800 r.p.m.approx. 5 % at 3000 r.p.m.

80 x 693.15 x 2.72

1

1.1 / 0.61.16 / 0.63

Technical data

Performance data refer to Standard Reference Conditionsof DIN ISO 3046:+ 25 °C (77 °F), 100 m ALT, relative humidity 30 %During running-in period the output increases byapprox. 5% which is taken into consideration at delivery.Power reduction acc. to DIN ISO 3046.Standard values: Above 100 m ALT approx. 1 % per 100 m.Above 25 °C (77 °F) approx. 4 % per 10 °C (50 °F).

Vehicle outputacc. to DIN 70020

Torquefor vehicle output Specific fuel consumption

for vehicle output

ISO net brake fuel stop power(IFN) for intermittent load acc. toDIN ISO 3046

ISO-standard power (ICXN)(10% overload permissible) andISO-standard fuel stop power(no overload permissible) acc. toDIN ISO 3046. For constant speedand constant load. (ICFN)

Hatz-Stand. r.p.m.

B

S

kW HP kW HP kW HP

3000 3.1 4.2 4.6 6.3 6.8 9.3

3000 2.8 3.8 4.1 5.6 6.2 8.4

3600 5.0 6.83.4 4.6 7.3 9.9

3600 3.1 4.2 4.5 6.1 6.6 9.0

2600 2.8 3.7 4.2 5.7 6.3 8.6

2600 2.5 3.4 3.8 5.2 5.8 7.9

2300 2.6 3.4 3.9 5.3 5.7 7.8

2300 2.2 3.1 3.5 4.7 5.2 7.1

2000 2.1 2.8 3.4 4.6 4.9 6.7

2000 1.9 2.6 3.1 4.2 4.5 6.1

1800 1.9 2.5 3.0 4.1 4.4 6.0

1800 1.7 2.3 2.7 3.7 4.0 5.4

1500 1.5 2.0 2.3 3.1 3.6 4.9

1500 1.4 1.8 2.1 2.8 3.2 4.4

Performance table

1500 2000 2500 3000 3600 n(r.p.m.)

11.0

22.0

24.0

26.0

18.0

20.0

16.0

14.0

9.0

10.0

12.0

14.0

16.0

18.0

lbs. ft Nm kpm

7.0

8.0

1.6

2.2

2.4

2.6

1.8

1.1

1.2

1.0

1500 2000 2500 3000 3600 n(r.p.m.)

290

270

230

250

310lbs.HPh g/kWh g/HPh0.50

0.45

0.40

220

200

180

1B30

1B20

1500 2000 2500 3000 3600 n(r.p.m.)

4.0

5.0

6.0

4.0 3.0

3.02.0

HP kW

5.0

6.0

7.0

8.0

1B30

1B20

1

0.46228.197.6

1496

88 x 763.46 x 2.99

1.55 / 0.771.64 / 0.81

22

1B40

7.0

8.0

9.0

11.0

10.0

1B40

1B30 1B40

1B30 1B40

Dimensions - 1B20

SCS

M 2.3 Nm

F 30 N

max. posibilitiesfor adjustment

In no case exceed the forces and torques.This leads to damage on stops and theinternal governor parts

An exact allocation of the individual speedwithin the 76.5° is not possible

max. distancefor rope or rods

Elektric start 1B20

217

180 180

360

(270

)13

0

400

+26

Stop

Start

241

120.5

407 17

137.

5

9

20

73

48.5

44.2

7.5

82.8

59°

~ 123.8 171.5

185

91

Legend

Detail “X”

A Oil filling / Fuel dip stick

B Oil drain plug

C Oil filter

D Fuel filter

E Air filter

F Cooling- / Combustion air inlet

G Cooling air outlet

H Speed control lever

J Stop lever

K Access for valve timing

L Access for transportation strap

M Starter lock

N Handle for recoil start

O Battery connection

5450

103.

5

K / LD

cool

ing-

air /

com

bust

ion-

air

F

F

OM

N

A

C

B

Valid for staticand dynamic forces

Exceeding these forcesautomatically damagesthe injection system

F 15 N

Stop

14x

M10

/ 21

J

H

EG

B

116

23.5

486276

111.

5

(76.5°)

94

76.7

59.4

1

9.564.5

92.5

68.5

35

79

34.5

17

61

98

268

3

32.5

170

68

270

96.5

68.5

S

"X"

0-360°

4848

M6 70

.5

205

142.

5

103.5

30° 30°

3

168.5

3.5

45° 45°

ø165.1

110

50

SS

Dimensions - 1B30

Legend

A Oil filling / Fuel dip stick

B Oil drain plug

C Oil filter

D Fuel filter

E Air filter

F Cooling- / Combustion air inlet

G Cooling air outlet

H Speed control lever

J Stop lever

K Access for valve timing

L Access for transportation strap

M Start lock

N Handle for recoil start

O Battery connection

Elektric start 1B30

Valid for staticand dynamic forces

Exceeding these forcesautomatically damagesthe injection system

5657

(108

.5)

93.5

~ 123.5

185

7.5

82.8

59°

~ 49.5

48.5

217

185 185

370

(300

)13

0

430

257

145.

517

13240

7

79

20

9

17

137.

5

241

D K / L

M

N

J O

c

oolin

g-ai

r / c

ombu

stio

n-ai

r

F

F

B

C

A

124

9

33

81.5

111.

5

23

40.5

11.562.5

99

1

40

(75)

299

193

79

3596

.5

74.5

3

67

104

297

Stop Start

SS

"X"

M 2.3 Nm

F 30 N

max. posibilitiesfor adjustment

In no case exceed the forces and torques.This leads to damage on stops and theinternal governor parts

An exact allocation of the individual speedwithin the 76.5° is not possible

max. distancefor rope or rods

+26

Stop

Start

Detail “X”

486276

(76.5°)

94

76.7

59.4

(322

.5)

108.5

5

Ø 47 H8

110

Ø165.1

30° 30°

3

168.5

48 48

225

97.5

M6

142.

550

Stop

F 15 NS

0-360°

4x M

10 /

21

45°45°

J

H

EG

B

280

20

50

9

128.5

83

24

9(315)

4

155

325

390

Valid for staticand dynamicforces

Exceeding theseforces automaticallydamages theinjection system

155

202

195

315

80.5

73

6

44.5

27

113

96.5

134.

535

2

102

35

3 “X”

Stop Start

394

217

155

325

480

STOP F 15 N

Dimensions - 1B40

Legend

A Oil filling / Fuel dip stick

B Oil drain plug

C Oil filter

D Fuel filter

E Air filter

F Cooling- / Combustion air inlet

G Cooling air outlet

H Speed control lever

J Stop lever

K Access for valve timing

L Access for transportation strap

M Start lock

N Handle for recoil start

O Battery connection

K / LD

cool

ing-

air /

com

bust

ion-

air

F

F

E

Elektric start 1B40

G

N

~140.6

56

~63.7

14

84

108.7

87.5

82

35°

~208

48.5

M O

H

A

CB

J

~49,5

M 2.3 Nm

F 30 N

max. posibilitiesfor adjustment

In no case exceed the forces aud torques.This leads to damage on stops and theinternal governor parts

An exact allocation of the individul speedwithin the 76.5° is not possible

max. distancefor rope or rods

+26

Stop

StartDetail “X”

486276

(76.5°)

94

76.7

59.4

Flanges and shafts

cone

1 : 5

cone

1 : 5

5/16

-24U

NF

2B

cone

1 : 5.333

cone

1 : 5.333

SAE-Flange A1B20

SAE-Flange A1B30 / 1B40

ITAL-Flange1B20

ITAL-Flange1B30 / 1B40

Shaft 4

Generator

Shaft 4

Generator

Shaft 6 ital. Shaft 6 ital.

Shaft 8

Pump

Shaft 1

Pump

Shaft 7

Shaft 2

(41.25 +0.025)

(41.25 +0.025)

4x M8 / 17

45°

45°

45°

45°

92.08

92.08

(156)

98(14)

“W”

“Y” “W” “X”

18

170

~23.7

22

419.8

3 k6

8R3

R12

9

72

Detail “W”

Detail “Y” Detail “W”

Detail “X” Detail “Z”

“X”

98

159.5

26

19

19.0

5 h7

R1

25.4

-0.

1

R 0.7

58.34

9

61.5

16.0

5

3/4-

16U

NF

2A

“Z”

159.5

48

22R10

3R2

58.34

961.5

5/16

-24U

NF

2B

8

25.4

-0.

1

98

4.75 JS10

16.3

±0.

05

19.05 h7

135 135

105 f8 105 f8

M8

/ 12.

5

M8

/ 12.

5

7x M812.5

7x M812.5

M8

/ 16.

5

M8

/ 16.

5

M8

/ 16.

5

M8

/ 16.

5

5x 30°5x 30°5x 30° 5x 30°

(118.5)

95

11 js13

20

331.5

“Y” “Z”

Detail “Y”Detail “Z”

23

23

R12R3

5

26 26

M8

M88.5

8.5

(30

h6)

(30

h6)

23 ±

0.05

23 ±

0.05

129.5

101

11

20

3

31135

5

R3

198.5

104

210.5

19.0

5

(~28.3)

22

3

64

(106.5)

4.5

28 22.1

s6

5/16

-24U

NF

2B

8R5

104

194

25.4

h7

R1

24

31

4.5

72.23

(90)

R 0.830

h6

22.4

h6

1-14

UN

S 2A

104

6.34 IS9

21.8

-0.

1

25.4 h7

190

61

R12.5 25

3

30 +1.5

30 h

6

4.5

72.23

(86)

7/16

-20U

NF

2B

12

R1

4x M8 / 17

Fuel filter

Strap for transportation

Injection valve

Valve cover

Air filter

Injection pump

Oil dipstick

and Oil filling

Speed control lever

Oil filter

Oil drain plug

Electrical equipment

Combustion air required1)

at 3000 r.p.m. approx.

Cooling air required1)

at 3000 r.p.m. approx.Permanent tiltingStarter

Current alternator charging at 3000 / 1500 r.p.m.

Battery capacity

3m / min 0.35

13

4.0

1402) 3)

25 , 35

12 V - 0.8 kW

14 V - ca.14 A / 7 A

36 / 60 Ah

0.52 0.69

8.7

19 25

4.5

160 309

3m / min

cu.ft./min

cu.ft./minmax. degrees

min / max Ah

1) For other r.p.m. there is a linear reduction of the air requirement 2) Flywheel low 3) All other positions

To achieve the engines maximum life, it is essential that the engine gets serviced meticulously at regular intervals.

During your first installation please make sure that easy accessibility of service and operating points is assured.

The easier the accessibility is, the sooner and more conscientous the engine will be maintened.

Please convince yourself personally that all serve and operation points are easily accessible before delivering your machine to the customer.

Starter-switchboard-instruments incl. LED-display are mounted to the engine or will be delivered upon request as swithboard-instruments with cable (2m) loose. The engine is started and controlled from thisinstrument box. Instrument box and cable harness are part of the additional equipment and supplied according to the number of

electrical safety features which are required. If the engine has to be started at temperatures below - 15 °C, engine must be fitted with a pre-heating system (glow plug) (additional equipment). Further additional equipments include automatic start and stop, remote control etc.Please ask for drawings and wirings diagrams.

1B20 1B30 1B40

Maintenance- and operating points

L

F1

F2

Permissible load on power-take-off points

max. permissible radial force max. permissible radial force

max. permissible axial force max. permissible axial force

F1 = (N) F1 = (N)

F2 = 800 (N) F2 = 1200 (N)

60 000 62 600

L (mm) – 70 L (mm) – 84

Installation data

1B20 / 1B30 1B40

Engine Variants

• Variant VIII: Engine with Recoil-start on flywheel side (fig 2).

• Variant XI : Engine with electric start 12 V and Recoil-start (fig. 3).

Additional equipment

Thanks to the complete programme of additional equipment

engine can be adapted to the special requirements of every

application. As a minimum every engine needs the

“additional equipment, necessary for operation”.

1B20 1B30 1B40• •

Engine Designations

• Execution 1B20. / 30. : up to 3600 r.p.m.

• Execution 1B40T. : up to 3600 r.p.m.

• Execution 1B40U. : up to 3600 r.p.m. with additional counter balance

Power-Take-Off and Sense of Rotation

• Power-take-off shaft, governor side, with max. engine speed,

Sense of rotation anti-clockwise (fig. 1).

• Different stub-shafts (page 6).2• at mounting shafts Jmax = 0.04 kgm

• Radial loading capacity, see page 7.

• Hydraulic pump mounting as very short-mounted add.equipment.

Scope of Delivery of Engine

Engine tested for full load on test bench. Engine fitted with blower fan, variable speed

governor, lubricating oilfilter, dry-type airfilter or oil-bath airfilter, automatic decompression

system, automatic injection pump bleeding, filling device for start oil, strap for transpor-

tation (only suitable to carry the engine weight).

Accessories: Tools and gasket for 1st maintenance, instruction booklet,

spare parts list and “Service International”

Further equipment included in engine variants:

• Variant VIII: Recoil starter

• Variant XII: Electric starter 12 V, Generator 14 V, engine wiring, gearing.

2

3

Weights

1B20 1B30 1B40

kg lbs. kg lbs. kg lbs.

Variant VIII 28.0

32.8

61.7

72.2

72.7 105.8

83.3 117.9

33.0 48.0

37.8 53.3Variant XI

incl. tank, air filter, and exhaust silencer

1