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Eagle ManufacturingUSACatalog archive

Eagle Manufacturing H 20-40

Production years: 1922–1930

Compare with other modelsValue machine
Engine horsepower
44 HP
—
Displacement
16.5 L
2-cylinder engine
Drive and chassis
2WD
Gear (2F/1R)
Operating weight
3,556 kg
7,840 lbs

Sources and field evidence

Catalog Archive: Baseline specifications compiled from historical manufacturer archives and equipment registries. Laboratory test report verification in progress.

Eagle Manufacturing H 20-40
VLM Verified Authentic
Eagle Manufacturing H 20-40

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Engineering & Capability Benchmark

Specific output, tractive ratio, and segment percentile

Compact / Sub-Compact Yard
Global Tractor Fleet Power SpectrumTop 82% of all indexed machinery
Compact (20 HP)Utility (100 HP)Row-Crop (250 HP)Titans (600+ HP)
Specific Output
2.7 HP/L
Aspiration: Unknown
Traction Ratio
80.8 kg/HP
Heavy ballast for draft pull
PTO Efficiency
—
Mechanical driveline
Hydraulic Flow
Standard
Auxiliary implement ports

Engine and power specifications

Engine model
Eagle Manufacturing
Fuel type
Kerosene
Rated horsepower
44 hp
Rated PTO Power
N/A (Eagle Manufacturing specification)
Drawbar Power @ Rated Engine Speed
20 hp (Nebraska OECD Test 2218)
Cylinders
2
Displacement
16.5 L (1005 ci)
Bore / stroke
8.00x10.00 inches 203 x 254 mm
Rated RPM
450 RPM
Crankcase oil capacity
N/A
Coolant capacity
N/A

Maintenance picks for the H 20-40

Filters, oil and common wear parts for this model.

Transmission and chassis specifications

Transmission type
Gear (2F/1R)
Gears (forward / reverse)
2 forward / 1 reverse
Drive system
2WD
Wheelbase
N/A
Front tire
N/A
Rear tire
52x18
Hydraulic flow
N/A
Rear hitch
N/A
ASABE EP496 Engineering Matcher

Implement Draft & Ballast Matcher

Simulate draft resistance, drawbar power transfer, and optimal axle weight distribution for Eagle Manufacturing H 20-40.

Overloaded / Wheel Slip Alert(190%)
CAD DRAFT SCHEMATIC • Wide-Span Field Cultivator
SOIL: Medium Tilled LoamDEPTH: 4"SPEED: 7 MPH190% LOAD
SOIL SURFACE (0.0")SUB-SURFACE PLOW PAN (~14")44 HP◄ 3,129 LBS DRAFT4" DEPTH
DRAWBAR DEMAND: 58.4 HPWIDTH / SIZE: 18 ft Width
ASABE D497.7 Tillage Specific Resistance Formula
Implement Size (ft Width)18 ft Width
18 ft WidthDefault: 4270 ft Width
Tillage / Seeding Depth4 inches (10 cm)
2"Target: 4"6"
Target Operating Field Speed7.0 mph (11.3 km/h)
5 mphRated: 7 mph9 mph
Engine Power Demand vs Rated Output83.4 HP / 44 HP Rated
0%55% (Min Load)60-85% (Sweet Spot)100% (Cap)
Draft Force
3,129 lbs
Drawbar Power
58.4 HP
Target Slip
8% - 12%
Axle Ballast Balance (2WD Standard Utility )Calibrated for Wide-Span Field Cultivator (100 lbs/HP standard)
Target: 4,400 lbs
Front Axle: 28%Rear Axle: 72%
559 kg (1,232 lbs)1,437 kg (3,168 lbs)
Ballast Adjustment vs Base:-3,440 lbs (-1,560 kg)
Hourly Diesel Burn
2 gal/h
7.6 L/hr (est. $8/h)
Hydraulic Fan Status
Standard Draw
No fan req

Engine demand (83.4 HP) exceeds rated power (44 HP). Reduce working speed by 1.0-1.5 mph or reduce working width.

Tractor exceeds target ballast by 1560 kg. Consider removing wheel weights to reduce soil compaction.

Instant Used Market Valuation Projector

Algorithmic resale estimate for Eagle Manufacturing H 20-40 (1922)

Full Appraisal Tool
Operating Meter Hours3,200 hrs
Mechanical & Physical Condition
Empirical model calibrated against dealer & auction lots
Estimated Fair Market Value
$1,990
Basis: 44 HP • 104 yrs old
Auction / Wholesale
$1,632 – $1,831
Dealer Retail Asking
$2,090 – $2,348
3-Year Projected Resale Curve~5% annual retention decay
Year 2027
$1,891
Year 2028
$1,796
Year 2029
$1,706

Direct Segment Rivals & Showdowns

Head-to-head match-ups calibrated by horsepower and era

Advance-Rumely+6 HP
OilPull R 25/45
50 HP
Aultman & Taylor+6 HP
22-45
50 HP

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Eagle Manufacturing

USA • 13 Models

Eagle Manufacturing was a pioneering American tractor manufacturer based in Appleton, Wisconsin, that operated from the early 1900s until 1938. Founded at the dawn of the agricultural mechanization era, Eagle quickly established itself as a significant player in the burgeoning tractor industry. The company initially gained recognition for its robust, large two-cylinder gasoline tractors, which were powered by engines designed and manufactured in-house. These early models were well-regarded for their power and durability, making Eagle a respected name among American farmers during the early 20th century. However, as the tractor market evolved, Eagle faced increasing competition from larger manufacturers who could produce more cost-effective machines. By 1930, the company was forced to shift its strategy, downsizing its tractors and relying on outsourced engines to reduce costs. Despite these efforts, Eagle struggled to maintain its market position. The Great Depression further exacerbated the company's challenges, leading to the cessation of tractor production in 1938. Following its exit from the tractor market, Eagle Manufacturing was acquired by the Four Wheel Drive Auto Company (FWD), which later became Seagrave Apparatus, a prominent manufacturer of fire trucks. This acquisition marked the end of Eagle's legacy in agricultural machinery, though its contributions to the early development of the American tractor industry remain noteworthy.

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