ZF 280 IV (IRM 280 V-LD-1)
TECHNICAL DATA
Configuration:   14° "V" Drive
Mounting:   Direct to Engine.
Bell Housings:  SAE 2, SAE 3, SAE CAT 3
Weight (approx. dry):  106 kg (233 lbs)
Oil capacity (approx.):  6 litres (6.4 US quarts)
Fluid Grade:   SAE 30
Standard Input Rotation:  Anticlockwise engine rotation when looking at the flywheel end.

*Dimensions and weights refer to transmissions with bell housings but excluding options such as: trolling valves, power take-offs, propeller shaft companion flanges,torsional couplings etc.

PLEASURE DUTY CLASSIFICATION

MODEL

RATIOS

MAXIMUM INPUT POWER

2300 rpm

2800 rpm

3200 rpm

HP/rpm

ft.lb

kW/rpm

Nm

HP

kW

HP

kW

HP

kW

ZF 280 IV
(IRM 280 V-LD-1)
1.252
1.772		 1.561
2.063

431

322

525

391

600

447

0.1875

985

0.1398

1335

2.556

372

277

452

337

517

386

0.1616

849

0.1205

1151

3.094+

313

234

381

284

436

325

0.1362

716

0.1016

970
Min/max engine speed: 400/3200 rpm
LIGHT DUTY CLASSIFICATION
MODEL RATIOS MAXIMUM INPUT POWER
2100 rpm 2500 rpm 2800 rpm HP/rpm ft.lb kW/rpm Nm
HP kW HP kW HP kW
ZF 280 IV
(IRM 280 V-LD-1)
1.252
1.561		 1.772
2.063
327 244 390 291 436 325 0.1558 818 0.1162 1110
2.556 306 228 364 271 407 304 0.1455 764 0.1085 1036
3.094+ 257 192 306 229 343 256 0.1226 644 0.0914 873
Min/max engine speed: 400/3200 rpm

.
MEDIUM DUTY CLASSIFICATION
MODEL RATIOS MAXIMUM INPUT POWER
2100 rpm 2500 rpm 2800 rpm HP/rpm ft.lb kW/rpm Nm
HP kW HP kW HP kW
ZF 280 IV
(IRM 280 V-LD-1)
1.252
1.561		 1.772
2.063
255 190 303 226 339 253 0.1212 637 0.0904 863
2.556 238 177 283 211 317 236 0.1132 594 0.0844 806
3.094+ 200 149 238 178 267 199 0.0953 501 0.0711 679
Min/max engine speed: 400/3200 rpm

.