Claas Nectis 257
The Claas Nectis 257 is a tractor produced by Claas. It is equipped with a 273.7 ci 4.5 L engine. The listed engine power is Engine Detail — 273.7 ci / 4.5 L (listed): 90 hp / 67.1 kW. Transmission: 24 forward and reverse. Drive type: 4x2 2WD. Operating weight: 6,196 lbs (2WD) 2810 kg.
Engine Power
Engine Detail — 273.7 ci / 4.5 L (listed): 90 hp / 67.1 kW
Drive & Traction
4x2 2WD
Fuel & Capacities
18.0 gal
68.1 L
Transmission
24 forward and reverse
Operating Weight
6,196 lbs (2WD)
2810 kg
Overview
 | 2004 - ????
Nectis Series |
|---|---|
2004 - ???? | |
Nectis Series | |
2004 - ???? | |
|---|---|
Nectis Series |
Production | |
|---|---|
Manufacturer | Claas |
Claas 257 Engine | |
|---|---|
4.5L 4-cyl | |
Fuel tank | 18.0 gal
68.1 L |
Engine details ...  | |
Claas 257 Power | |
|---|---|
Engine | 90 hp
67.1 kW |
Mechanical | |
|---|---|
Drive | 4x2 2WD |
4x4 MFWD 4WD optional | |
Steering | hydrostatic power |
Wet disc brakes | |
optional | |
Hydraulics | |
|---|---|
Total flow | 12.7 gpm
48.1 lpm |
Tractor hitch | |
|---|---|
Rear lift | 6,924 lbs
3140 kg |
Power Take-off (PTO) | |
|---|---|
Rear PTO Type | 540/750/ground |
Dimensions & Tires | |
|---|---|
Wheelbase | 86.2 inches
218 cm |
Weight | 6196 to 6527 pounds |
Front tire | 6.50-16 |
Rear tire | 14.9R28 |
Full dimensions and tires ...  | |
Engine
| 2004 - ????
Nectis Series |
|---|---|
2004 - ???? | |
Nectis Series | |
2004 - ???? | |
|---|---|
Nectis Series |
Engine Detail — 273.7 ci / 4.5 L
Manufacturer | NEF F4CE0454C |
Configuration | turbo, 4-cylinder |
Displacement | 273.7 ci
4.5 L |
Bore/Stroke | 4.094x5.197 inches
104 x 132 mm |
Power | 90 hp
67.1 kW |
Rated RPM | 2300 |
Torque | 270.0 lb-ft
366.1 Nm |
Torque RPM | 1400 |
Transmission
| 2004 - ????
Nectis Series |
|---|---|
2004 - ???? | |
Nectis Series | |
2004 - ???? | |
|---|---|
Nectis Series |
Transmission options | |
|---|---|
12-speed | |
24-speed |
Transmission — 12 forward and reverse
Gears | 12 forward and reverse |
Transmission — 24 forward and reverse
Gears | 24 forward and reverse |
Dimensions
| 2004 - ????
Nectis Series |
|---|---|
2004 - ???? | |
Nectis Series | |
2004 - ???? | |
|---|---|
Nectis Series |
Claas 257 Tires | |
|---|---|
Ag front | 6.50-16 |
Ag rear | 14.9R28 |
Ag front | 280/70R20 |
Ag rear | 14.9R28 |
Dimensions | |
|---|---|
Wheelbase | 86.2 inches
218 cm |
Length | 163.0 inches
414 cm |
Height | 94.9 inches
241 cm |
Weight | 6,196 lbs (2WD)
2810 kg |
6,527 lbs (4WD)
2960 kg | |
Photos
Claas Nectis 257 tractor photo
Recommended Implements & Sizing Guide
Engineering recommendations for Claas Nectis 257 based on its 90 HP power envelope and ASAE agricultural standards.
| Implement & Operation | Recommended Size | Workload Rating | Engineering Notes |
|---|---|---|---|
Moldboard PlowPrimary Tillage | 4 to 5 Bottom (16-18")4 - 5 铧 (40-45 cm) | Heavy Duty | Heavy primary tillage; semi-mounted hitch recommended. |
Rotary Cutter / MowerMowing & Clearing | 7 to 8 ft (84-96 in)2.1 - 2.4 m | Heavy Duty | Heavy-duty twin spindle cutter for overgrown acreage. |
Rotary TillerSeedbed Prep | 78 to 84 in200 - 215 cm | Heavy Duty | Heavy commercial tiller with multi-speed gearbox. |
Disc HarrowSecondary Tillage | 10 to 14 ft Tandem / Offset3.0 - 4.2 m 重型交错耙 | Heavy Duty | Aggressive residue cutting in corn/cotton stubble. |
Hay BalerHay & Forage | 4x4 to 4x5 Round Baler1.2x1.5 m 紧凑圆捆机 | Heavy Duty | Silage and dry hay; 540 RPM PTO with slip-clutch. |
Sizing & Soil Condition NoteActual implement sizing varies depending on local soil conditions (heavy clay vs sandy loam), field slope, and operating speed. Heavy tillage implements may require front ballast weights and wheel weights.
Fluids, Capacities & Working Autonomy
Standard fluid requirements, service intervals, and continuous runtime estimates for Claas Nectis 257.
Estimated Continuous Field Runtime: 3.8 hrs
Approximately 3.8 hours of continuous field operation at ~75% rated power on a full tank (18 gal / 68.1 L).
Estimated 75% Load Fuel Burn~4.7 gal/hr (17.7 L/hr)
Engine Crankcase Oil
SAE 15W-40 (Heavy Duty Diesel)
Standard Spec: API CK-4 / CJ-4 Heavy Duty
Service Interval: 150 – 250 Hours
Transmission & Hydraulic System
UTTO (Universal Tractor Transmission Oil)
Standard Spec: ISO VG 46 / 68 (Wet Brake & Trans Compatible)
Service Interval: 600 – 1000 Hours
Engine Cooling System
50/50 Ethylene Glycol Pre-mix
Standard Spec: ASTM D6210 / Heavy-Duty OAT Antifreeze
Service Interval: 2 Years / 1500 Hours
Claas Nectis 257 Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for Claas Nectis 257.
Converted Equivalents:
Horsepower (HP)90 hp
Kilowatts (kW)67.1 kW
Metric Horsepower (PS / CV)91.2 PS
Direct Competitor Comparison
Compare Claas Nectis 257 against same-era industry alternatives in the same horsepower class.
Current Model
Claas
Claas Nectis 257
Engine Power:Engine Detail — 273.7 ci / 4.5 L (listed): 90 hp / 67.1 kW
★ Baseline Reference
International HarvesterMarket Competitor
International Harvester 884
Engine Power:81
Production Years:1979 - 1984
Related models
Claas Elios 210
- Power:
- 72
- Production years:
- 2009 - 2020
Claas 426
- Power:
- 75
- Production years:
- 2003 - 2008
Claas Axos 310 C
- Power:
- 75
- Production years:
- 2008 - 2018
Claas Talos 220
- Power:
- 76.4
- Production years:
- 2013 - 2023
Claas 237
- Power:
- 79
- Production years:
- 2004 - 2014