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David BrownModel A
David Brown 780
Utility
- power
- 46 hp
- displacement
- 164 ci
- Cylinders
- 3
- Forward gears
- 12
Head to head · Utility
David Brown 780 vs Iseki TG503
Image not recorded
IsekiModel B
Iseki TG503
Utility
- power
- 49.4 hp
- displacement
- 173 ci
- Cylinders
- 4
- Forward gears
- 16
David BrownDavid Brown 780
vs
IsekiIseki TG503
How they compare
Headline specs vs. the whole Utility
Engine Power
▲ TG503 higher · +3.4 hp (+7%)78046 hp
TG50349.4 hp
Median Utility Tractor55 hp
780 is in the 40th percentile; TG503 is in the 44th · 5,383 models
Engine Displacement
▲ TG503 higher · +9 ci (+5%)780164 ci
TG503173 ci
Median Utility Tractor183 ci
780 is in the 43rd percentile; TG503 is in the 46th · 5,580 models
Cylinders
▲ TG503 higher · +1 (+33%)7803
TG5034
Median Utility Tractor4
780 is in the 23rd percentile; TG503 is in the 50th · 5,720 models
Forward Gears
▲ TG503 higher · +4 (+33%)78012
TG50316
Median Utility Tractor12
780 is in the 50th percentile; TG503 is in the 73rd · 4,941 models
780 (A)TG503 (B)Median Utility Tractor
Full comparison
Every spec, side by side
General Information
| Spec | David Brown 780 | Iseki TG503 | Difference |
|---|---|---|---|
| Manufacturer | David Brown | Iseki | — |
| Model | 780 | TG503 | — |
| Category | Utility | Utility | Same |
Engine
| Spec | David Brown 780 | Iseki TG503 | Difference |
|---|---|---|---|
| Manufacturer | David Brown | Iseki | — |
| Model | Not recorded | E4DD | — |
| Power Output | 46hp | 49.4hp | ▲ TG503+3.4 hp · +7% |
| Rated RPM | 2,200RPM | 2,500RPM | ▲ TG503+300 RPM · +14% |
| Cylinders | 3 | 4 | ▲ TG503+1 · +33% |
| Displacement | 164ci | 173ci | ▲ TG503+9 ci · +5% |
| Bore | 3.9in | Not recorded | — |
| Stroke | 4.5in | Not recorded | — |
Transmission
| Spec | David Brown 780 | Iseki TG503 | Difference |
|---|---|---|---|
| Type | Sliding Gear with Dry Disc Clutch | Not recorded | — |
Dimensions & Weight
| Spec | David Brown 780 | Iseki TG503 | Difference |
|---|---|---|---|
| Length | 112in | 141in | ▲ TG503+29 in · +26% |
| Width | 64in | 61.6in | ▲ 780+2.4 in · +4% |
| Height | 82.5in | 92.5in | ▲ TG503+10 in · +12% |
| Operating Weight | 3,470lb | 4,023lb | ▲ TG503+553 lb · +16% |
Hydraulics
| Spec | David Brown 780 | Iseki TG503 | Difference |
|---|---|---|---|
| Steering Type | Manual | Power | — |
Power Take-off (PTO)
| Spec | David Brown 780 | Iseki TG503 | Difference |
|---|---|---|---|
| Type | Live | Not recorded | — |
| Speed 1 | 540rpm | Not recorded | — |
| Speed 2 | 1,000rpm | Not recorded | — |
Tires
| Spec | David Brown 780 | Iseki TG503 | Difference |
|---|---|---|---|
| Rear Tire Size | Not recorded | 13.6-28 | — |
Hitch & Towing
| Spec | David Brown 780 | Iseki TG503 | Difference |
|---|---|---|---|
| Hitch Type | Not recorded | Category I | — |
| Hitch Category | I | Not recorded | — |
| Hitch Position | Not recorded | Rear | — |
Chassis & Drive
| Spec | David Brown 780 | Iseki TG503 | Difference |
|---|---|---|---|
| Chassis Type | 4x2 2WD | 4x4 MFWD 4WD | — |
| Drive Type | 2WD | MFWD / 4WD | — |
| Steering Type | Manual | Power | — |
| Brake Type | Mechanical Drum | Not recorded | — |
Electrical
| Spec | David Brown 780 | Iseki TG503 | Difference |
|---|---|---|---|
| Starter Type | Electric | Electric | Same |
Capacities
| Spec | David Brown 780 | Iseki TG503 | Difference |
|---|---|---|---|
| Coolant | 2.5gal | Not recorded | — |
Operator Station
| Spec | David Brown 780 | Iseki TG503 | Difference |
|---|---|---|---|
| Type | Open Operator Station | ROPS | — |
Category context
Both models against the field
Engine Power
median 55 hpA · 40th percentile (46 hp)B · 44th percentile (49.4 hp)
Engine Displacement
median 183 ciA · 43rd percentile (164 ci)B · 46th percentile (173 ci)
Cylinders
median 4A · 23rd percentile (3)B · 50th percentile (4)
Forward Gears
median 12A · 50th percentile (12)B · 73rd percentile (16)
Operating Weight
median 5,303 lbA · 29th percentile (3,470 lb)B · 37th percentile (4,023 lb)
A · 780B · TG503Median Utility Tractor