Knudson 4400
The Knudson 4400 is a tractor produced by Knudson. It is equipped with a 855 ci 14.0 L engine. The listed engine power is Diesel (listed): 400 hp / 298.3 kW. Transmission: 12 forward and 2 reverse. Drive type: 4x4 4WD.
Engine Power
Diesel (listed): 400 hp / 298.3 kW
Drive & Traction
4x4 4WD
Fuel & Capacities
Diesel
Transmission
12 forward and 2 reverse
Overview
 | 1981 - 1983
Four-wheel Drive (4WD) tractor |
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Production | |
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Manufacturer | Knudson |
Four-wheel Drive (4WD) tractor | |
Built in Holdrege, Nebraska, USA | |
Knudson 4400 Engine | |
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Cummins 14.0L 6-cyl diesel | |
Engine details ...  |
Knudson 4400 Transmission | |
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12-speed power shift | |
Transmission details ...  |
Knudson 4400 Power | |
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Engine | 400 hp
298.3 kW |
Mechanical | |
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Drive | 4x4 4WD |
Power four-wheel steering | |
Cab standard. | |
Dimensions & Tires | |
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Full dimensions and tires ...  |
Engine
Engine Detail — 855 ci / 14.0 L Diesel
Manufacturer | Cummins |
Fuel Type | Diesel |
Configuration | 6-cylinder, liquid-cooled |
Displacement | 855 ci
14.0 L |
Bore/Stroke | 5.50x6.00 inches
140 x 152 mm |
Power | 400 hp
298.3 kW |
Starter type | electric |
Transmission
Transmission — 12 forward and 2 reverse power shift
Manufacturer | Twin Disc |
Type | power shift |
Gears | 12 forward and 2 reverse |
Dimensions
Knudson 4400 Tires |
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Dimensions |
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Photos
Knudson 4400
Recommended Implements & Sizing Guide
Engineering recommendations for Knudson 4400 based on its 400 HP power envelope and ASAE agricultural standards.
| Implement & Operation | Recommended Size | Workload Rating | Engineering Notes |
|---|---|---|---|
Moldboard PlowPrimary Tillage | 8+ Bottom On-Land Hitch8+ 铧重型机外牵引犁 | Commercial / Field Scale | High horsepower articulated/4WD field plowing. |
Rotary Cutter / MowerMowing & Clearing | 15 to 20 ft Batwing4.6 - 6.1 m 宽幅折叠翼 | Commercial / Field Scale | Large commercial field and roadside mowing operations. |
Rotary TillerSeedbed Prep | 90 to 120 in Heavy Duty230 - 300 cm 重型旋耕机 | Commercial / Field Scale | Deep intensive seedbed preparation for commercial row crops. |
Disc HarrowSecondary Tillage | 24 to 36 ft Heavy Duty Field Disc7.3 - 11.0 m 超宽重型整地耙 | Commercial / Field Scale | Broad-acre grain tillage for high-drawbar tractors. |
Hay BalerHay & Forage | Large Square Baler (3x4 or 4x4)大方捆商用打捆机 (1.2x1.2 m) | Commercial / Field Scale | High-capacity commercial forage harvesting (1000 RPM PTO). |
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 Knudson 4400.
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
Knudson 4400 Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for Knudson 4400.
Converted Equivalents:
Horsepower (HP)400 hp
Kilowatts (kW)298.3 kW
Metric Horsepower (PS / CV)405.5 PS
Direct Competitor Comparison
Compare Knudson 4400 against same-era industry alternatives in the same horsepower class.
Current Model
Knudson
Knudson 4400
Engine Power:Diesel (listed): 400 hp / 298.3 kW
★ Baseline Reference
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